Home / 153,954,092.91-231,007,013.69-72,078,515.31

Finding the Fourth Proportional to 153,954,092.91, 231,007,013.69 and 72,078,515.31

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Solution

The fourth proportional to 153,954,092.91, 231,007,013.69 and 72,078,515.31 is: 108,153,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,954,092.91 : 231,007,013.69 = 72,078,515.31 : x
  2. Step 2: Convert to fraction form
    153,954,092.91/231,007,013.69 = 72,078,515.31/x
  3. Step 3: Cross multiply
    153,954,092.91x = 231,007,013.69 × 72,078,515.31
  4. Step 4: Simplify right side
    153,954,092.91x = 16,650,642,572,611,652
  5. Step 5: Solve for x
    x = 16,650,642,572,611,652/153,954,092.91
  6. Step 6: Final answer
    x = 108,153,295.95

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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.