Home / 120,231,273.61-165,919,479.33-65,227,130.11

Finding the Fourth Proportional to 120,231,273.61, 165,919,479.33 and 65,227,130.11

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Solution

The fourth proportional to 120,231,273.61, 165,919,479.33 and 65,227,130.11 is: 90,013,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,231,273.61 : 165,919,479.33 = 65,227,130.11 : x
  2. Step 2: Convert to fraction form
    120,231,273.61/165,919,479.33 = 65,227,130.11/x
  3. Step 3: Cross multiply
    120,231,273.61x = 165,919,479.33 × 65,227,130.11
  4. Step 4: Simplify right side
    120,231,273.61x = 10,822,451,466,493,368
  5. Step 5: Solve for x
    x = 10,822,451,466,493,368/120,231,273.61
  6. Step 6: Final answer
    x = 90,013,614.11

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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.