Home / 144,929,901.60-217,253,134.80-129,624,400.80

Finding the Fourth Proportional to 144,929,901.60, 217,253,134.80 and 129,624,400.80

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Solution

The fourth proportional to 144,929,901.60, 217,253,134.80 and 129,624,400.80 is: 194,309,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,929,901.60 : 217,253,134.80 = 129,624,400.80 : x
  2. Step 2: Convert to fraction form
    144,929,901.60/217,253,134.80 = 129,624,400.80/x
  3. Step 3: Cross multiply
    144,929,901.60x = 217,253,134.80 × 129,624,400.80
  4. Step 4: Simplify right side
    144,929,901.60x = 28,161,307,420,371,628
  5. Step 5: Solve for x
    x = 28,161,307,420,371,628/144,929,901.60
  6. Step 6: Final answer
    x = 194,309,849.86

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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.