Home / 109,125,346,663.20-163,688,019,994.80-53,263,669,965.60

Finding the Fourth Proportional to 109,125,346,663.20, 163,688,019,994.80 and 53,263,669,965.60

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Solution

The fourth proportional to 109,125,346,663.20, 163,688,019,994.80 and 53,263,669,965.60 is: 79,895,504,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,125,346,663.20 : 163,688,019,994.80 = 53,263,669,965.60 : x
  2. Step 2: Convert to fraction form
    109,125,346,663.20/163,688,019,994.80 = 53,263,669,965.60/x
  3. Step 3: Cross multiply
    109,125,346,663.20x = 163,688,019,994.80 × 53,263,669,965.60
  4. Step 4: Simplify right side
    109,125,346,663.20x = 8,718,624,674,325,560,557,568
  5. Step 5: Solve for x
    x = 8,718,624,674,325,560,557,568/109,125,346,663.20
  6. Step 6: Final answer
    x = 79,895,504,948.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.