Home / 67,138,171.72-100,706,920.11-58,012,502.33

Finding the Fourth Proportional to 67,138,171.72, 100,706,920.11 and 58,012,502.33

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Solution

The fourth proportional to 67,138,171.72, 100,706,920.11 and 58,012,502.33 is: 87,018,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138,171.72 : 100,706,920.11 = 58,012,502.33 : x
  2. Step 2: Convert to fraction form
    67,138,171.72/100,706,920.11 = 58,012,502.33/x
  3. Step 3: Cross multiply
    67,138,171.72x = 100,706,920.11 × 58,012,502.33
  4. Step 4: Simplify right side
    67,138,171.72x = 5,842,260,437,780,266
  5. Step 5: Solve for x
    x = 5,842,260,437,780,266/67,138,171.72
  6. Step 6: Final answer
    x = 87,018,461.90

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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.