Home / 157,418,514.49-217,307,217.82-101,691,112.93

Finding the Fourth Proportional to 157,418,514.49, 217,307,217.82 and 101,691,112.93

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Solution

The fourth proportional to 157,418,514.49, 217,307,217.82 and 101,691,112.93 is: 140,378,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,418,514.49 : 217,307,217.82 = 101,691,112.93 : x
  2. Step 2: Convert to fraction form
    157,418,514.49/217,307,217.82 = 101,691,112.93/x
  3. Step 3: Cross multiply
    157,418,514.49x = 217,307,217.82 × 101,691,112.93
  4. Step 4: Simplify right side
    157,418,514.49x = 22,098,212,827,421,572
  5. Step 5: Solve for x
    x = 22,098,212,827,421,572/157,418,514.49
  6. Step 6: Final answer
    x = 140,378,740.71

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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.