Home / 108,005,881.23-149,048,508.51-58,446,249.69

Finding the Fourth Proportional to 108,005,881.23, 149,048,508.51 and 58,446,249.69

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Solution

The fourth proportional to 108,005,881.23, 149,048,508.51 and 58,446,249.69 is: 80,656,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,005,881.23 : 149,048,508.51 = 58,446,249.69 : x
  2. Step 2: Convert to fraction form
    108,005,881.23/149,048,508.51 = 58,446,249.69/x
  3. Step 3: Cross multiply
    108,005,881.23x = 149,048,508.51 × 58,446,249.69
  4. Step 4: Simplify right side
    108,005,881.23x = 8,711,326,344,297,549
  5. Step 5: Solve for x
    x = 8,711,326,344,297,549/108,005,881.23
  6. Step 6: Final answer
    x = 80,656,036.92

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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.