Home / 157,516,167.07-217,372,349.96-86,951,818.27

Finding the Fourth Proportional to 157,516,167.07, 217,372,349.96 and 86,951,818.27

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Solution

The fourth proportional to 157,516,167.07, 217,372,349.96 and 86,951,818.27 is: 119,993,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,516,167.07 : 217,372,349.96 = 86,951,818.27 : x
  2. Step 2: Convert to fraction form
    157,516,167.07/217,372,349.96 = 86,951,818.27/x
  3. Step 3: Cross multiply
    157,516,167.07x = 217,372,349.96 × 86,951,818.27
  4. Step 4: Simplify right side
    157,516,167.07x = 18,900,921,070,644,760
  5. Step 5: Solve for x
    x = 18,900,921,070,644,760/157,516,167.07
  6. Step 6: Final answer
    x = 119,993,530.96

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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.