Home / 78,895,255.20-118,143,817.20-62,970,007.20

Finding the Fourth Proportional to 78,895,255.20, 118,143,817.20 and 62,970,007.20

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Solution

The fourth proportional to 78,895,255.20, 118,143,817.20 and 62,970,007.20 is: 94,296,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,895,255.20 : 118,143,817.20 = 62,970,007.20 : x
  2. Step 2: Convert to fraction form
    78,895,255.20/118,143,817.20 = 62,970,007.20/x
  3. Step 3: Cross multiply
    78,895,255.20x = 118,143,817.20 × 62,970,007.20
  4. Step 4: Simplify right side
    78,895,255.20x = 7,439,517,019,719,484
  5. Step 5: Solve for x
    x = 7,439,517,019,719,484/78,895,255.20
  6. Step 6: Final answer
    x = 94,296,127.20

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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.