Home / 151,172,825.08-208,625,105.10-85,097,587

Finding the Fourth Proportional to 151,172,825.08, 208,625,105.10 and 85,097,587

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Solution

The fourth proportional to 151,172,825.08, 208,625,105.10 and 85,097,587 is: 117,438,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,172,825.08 : 208,625,105.10 = 85,097,587 : x
  2. Step 2: Convert to fraction form
    151,172,825.08/208,625,105.10 = 85,097,587/x
  3. Step 3: Cross multiply
    151,172,825.08x = 208,625,105.10 × 85,097,587
  4. Step 4: Simplify right side
    151,172,825.08x = 17,753,493,031,631,394
  5. Step 5: Solve for x
    x = 17,753,493,031,631,394/151,172,825.08
  6. Step 6: Final answer
    x = 117,438,388.96

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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.