Home / 120,231,126.26-165,919,275.84-65,226,982.76

Finding the Fourth Proportional to 120,231,126.26, 165,919,275.84 and 65,226,982.76

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Solution

The fourth proportional to 120,231,126.26, 165,919,275.84 and 65,226,982.76 is: 90,013,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,231,126.26 : 165,919,275.84 = 65,226,982.76 : x
  2. Step 2: Convert to fraction form
    120,231,126.26/165,919,275.84 = 65,226,982.76/x
  3. Step 3: Cross multiply
    120,231,126.26x = 165,919,275.84 × 65,226,982.76
  4. Step 4: Simplify right side
    120,231,126.26x = 10,822,413,744,767,364
  5. Step 5: Solve for x
    x = 10,822,413,744,767,364/120,231,126.26
  6. Step 6: Final answer
    x = 90,013,410.68

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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.