Home / 89,757,988.72-123,860,686.21-52,078,233.69

Finding the Fourth Proportional to 89,757,988.72, 123,860,686.21 and 52,078,233.69

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Solution

The fourth proportional to 89,757,988.72, 123,860,686.21 and 52,078,233.69 is: 71,864,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,757,988.72 : 123,860,686.21 = 52,078,233.69 : x
  2. Step 2: Convert to fraction form
    89,757,988.72/123,860,686.21 = 52,078,233.69/x
  3. Step 3: Cross multiply
    89,757,988.72x = 123,860,686.21 × 52,078,233.69
  4. Step 4: Simplify right side
    89,757,988.72x = 6,450,445,761,317,944
  5. Step 5: Solve for x
    x = 6,450,445,761,317,944/89,757,988.72
  6. Step 6: Final answer
    x = 71,864,865.22

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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.