Home / 84,272,677.40-126,409,016.41-23,688,403.40

Finding the Fourth Proportional to 84,272,677.40, 126,409,016.41 and 23,688,403.40

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Solution

The fourth proportional to 84,272,677.40, 126,409,016.41 and 23,688,403.40 is: 35,532,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272,677.40 : 126,409,016.41 = 23,688,403.40 : x
  2. Step 2: Convert to fraction form
    84,272,677.40/126,409,016.41 = 23,688,403.40/x
  3. Step 3: Cross multiply
    84,272,677.40x = 126,409,016.41 × 23,688,403.40
  4. Step 4: Simplify right side
    84,272,677.40x = 2,994,427,773,998,857.50
  5. Step 5: Solve for x
    x = 2,994,427,773,998,857.50/84,272,677.40
  6. Step 6: Final answer
    x = 35,532,605.19

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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.