Home / 57,951,126.40-79,972,086.72-31,489,248.64

Finding the Fourth Proportional to 57,951,126.40, 79,972,086.72 and 31,489,248.64

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Solution

The fourth proportional to 57,951,126.40, 79,972,086.72 and 31,489,248.64 is: 43,454,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,951,126.40 : 79,972,086.72 = 31,489,248.64 : x
  2. Step 2: Convert to fraction form
    57,951,126.40/79,972,086.72 = 31,489,248.64/x
  3. Step 3: Cross multiply
    57,951,126.40x = 79,972,086.72 × 31,489,248.64
  4. Step 4: Simplify right side
    57,951,126.40x = 2,518,260,922,985,722
  5. Step 5: Solve for x
    x = 2,518,260,922,985,722/57,951,126.40
  6. Step 6: Final answer
    x = 43,454,908.98

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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.