Home / 157,876,587.69-217,845,487.17-90,882,595.98

Finding the Fourth Proportional to 157,876,587.69, 217,845,487.17 and 90,882,595.98

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Solution

The fourth proportional to 157,876,587.69, 217,845,487.17 and 90,882,595.98 is: 125,404,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,876,587.69 : 217,845,487.17 = 90,882,595.98 : x
  2. Step 2: Convert to fraction form
    157,876,587.69/217,845,487.17 = 90,882,595.98/x
  3. Step 3: Cross multiply
    157,876,587.69x = 217,845,487.17 × 90,882,595.98
  4. Step 4: Simplify right side
    157,876,587.69x = 19,798,363,396,537,384
  5. Step 5: Solve for x
    x = 19,798,363,396,537,384/157,876,587.69
  6. Step 6: Final answer
    x = 125,404,049.37

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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.