Home / 102,923,507.98-142,034,441.76-56,513,761.90

Finding the Fourth Proportional to 102,923,507.98, 142,034,441.76 and 56,513,761.90

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Solution

The fourth proportional to 102,923,507.98, 142,034,441.76 and 56,513,761.90 is: 77,988,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,923,507.98 : 142,034,441.76 = 56,513,761.90 : x
  2. Step 2: Convert to fraction form
    102,923,507.98/142,034,441.76 = 56,513,761.90/x
  3. Step 3: Cross multiply
    102,923,507.98x = 142,034,441.76 × 56,513,761.90
  4. Step 4: Simplify right side
    102,923,507.98x = 8,026,900,623,224,056
  5. Step 5: Solve for x
    x = 8,026,900,623,224,056/102,923,507.98
  6. Step 6: Final answer
    x = 77,988,991.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.