Home / 156,006,972.80-234,010,459.20-75,385,404.80

Finding the Fourth Proportional to 156,006,972.80, 234,010,459.20 and 75,385,404.80

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Solution

The fourth proportional to 156,006,972.80, 234,010,459.20 and 75,385,404.80 is: 113,078,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,006,972.80 : 234,010,459.20 = 75,385,404.80 : x
  2. Step 2: Convert to fraction form
    156,006,972.80/234,010,459.20 = 75,385,404.80/x
  3. Step 3: Cross multiply
    156,006,972.80x = 234,010,459.20 × 75,385,404.80
  4. Step 4: Simplify right side
    156,006,972.80x = 17,640,973,194,225,882
  5. Step 5: Solve for x
    x = 17,640,973,194,225,882/156,006,972.80
  6. Step 6: Final answer
    x = 113,078,107.20

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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.