Home / 103,103,840.04-142,279,474.50-56,691,332.52

Finding the Fourth Proportional to 103,103,840.04, 142,279,474.50 and 56,691,332.52

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Solution

The fourth proportional to 103,103,840.04, 142,279,474.50 and 56,691,332.52 is: 78,231,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,103,840.04 : 142,279,474.50 = 56,691,332.52 : x
  2. Step 2: Convert to fraction form
    103,103,840.04/142,279,474.50 = 56,691,332.52/x
  3. Step 3: Cross multiply
    103,103,840.04x = 142,279,474.50 × 56,691,332.52
  4. Step 4: Simplify right side
    103,103,840.04x = 8,066,012,999,650,361
  5. Step 5: Solve for x
    x = 8,066,012,999,650,361/103,103,840.04
  6. Step 6: Final answer
    x = 78,231,935.85

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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.