Home / 92,689,589.10-139,034,383.65-51,874,920.30

Finding the Fourth Proportional to 92,689,589.10, 139,034,383.65 and 51,874,920.30

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Solution

The fourth proportional to 92,689,589.10, 139,034,383.65 and 51,874,920.30 is: 77,812,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,689,589.10 : 139,034,383.65 = 51,874,920.30 : x
  2. Step 2: Convert to fraction form
    92,689,589.10/139,034,383.65 = 51,874,920.30/x
  3. Step 3: Cross multiply
    92,689,589.10x = 139,034,383.65 × 51,874,920.30
  4. Step 4: Simplify right side
    92,689,589.10x = 7,212,397,570,803,373
  5. Step 5: Solve for x
    x = 7,212,397,570,803,373/92,689,589.10
  6. Step 6: Final answer
    x = 77,812,380.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.