Home / 122,563,019.52-169,134,446.16-66,807,962.28

Finding the Fourth Proportional to 122,563,019.52, 169,134,446.16 and 66,807,962.28

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Solution

The fourth proportional to 122,563,019.52, 169,134,446.16 and 66,807,962.28 is: 92,193,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,563,019.52 : 169,134,446.16 = 66,807,962.28 : x
  2. Step 2: Convert to fraction form
    122,563,019.52/169,134,446.16 = 66,807,962.28/x
  3. Step 3: Cross multiply
    122,563,019.52x = 169,134,446.16 × 66,807,962.28
  4. Step 4: Simplify right side
    122,563,019.52x = 11,299,527,699,305,970
  5. Step 5: Solve for x
    x = 11,299,527,699,305,970/122,563,019.52
  6. Step 6: Final answer
    x = 92,193,613.89

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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.