Home / 157,308,332.38-217,098,427.40-86,757,744.47

Finding the Fourth Proportional to 157,308,332.38, 217,098,427.40 and 86,757,744.47

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Solution

The fourth proportional to 157,308,332.38, 217,098,427.40 and 86,757,744.47 is: 119,732,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,308,332.38 : 217,098,427.40 = 86,757,744.47 : x
  2. Step 2: Convert to fraction form
    157,308,332.38/217,098,427.40 = 86,757,744.47/x
  3. Step 3: Cross multiply
    157,308,332.38x = 217,098,427.40 × 86,757,744.47
  4. Step 4: Simplify right side
    157,308,332.38x = 18,834,969,888,014,108
  5. Step 5: Solve for x
    x = 18,834,969,888,014,108/157,308,332.38
  6. Step 6: Final answer
    x = 119,732,817.73

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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.