Home / 100,897,410.80-151,346,116.20-75,388,242.80

Finding the Fourth Proportional to 100,897,410.80, 151,346,116.20 and 75,388,242.80

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Solution

The fourth proportional to 100,897,410.80, 151,346,116.20 and 75,388,242.80 is: 113,082,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,410.80 : 151,346,116.20 = 75,388,242.80 : x
  2. Step 2: Convert to fraction form
    100,897,410.80/151,346,116.20 = 75,388,242.80/x
  3. Step 3: Cross multiply
    100,897,410.80x = 151,346,116.20 × 75,388,242.80
  4. Step 4: Simplify right side
    100,897,410.80x = 11,409,717,754,922,612
  5. Step 5: Solve for x
    x = 11,409,717,754,922,612/100,897,410.80
  6. Step 6: Final answer
    x = 113,082,364.20

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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.