Home / 48,731,854.30-67,280,536.11-31,358,391.91

Finding the Fourth Proportional to 48,731,854.30, 67,280,536.11 and 31,358,391.91

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Solution

The fourth proportional to 48,731,854.30, 67,280,536.11 and 31,358,391.91 is: 43,294,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731,854.30 : 67,280,536.11 = 31,358,391.91 : x
  2. Step 2: Convert to fraction form
    48,731,854.30/67,280,536.11 = 31,358,391.91/x
  3. Step 3: Cross multiply
    48,731,854.30x = 67,280,536.11 × 31,358,391.91
  4. Step 4: Simplify right side
    48,731,854.30x = 2,109,809,419,252,286.75
  5. Step 5: Solve for x
    x = 2,109,809,419,252,286.75/48,731,854.30
  6. Step 6: Final answer
    x = 43,294,256.90

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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.