Home / 54,967,438.77-75,884,514.87-42,381,003.61

Finding the Fourth Proportional to 54,967,438.77, 75,884,514.87 and 42,381,003.61

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Solution

The fourth proportional to 54,967,438.77, 75,884,514.87 and 42,381,003.61 is: 58,508,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,967,438.77 : 75,884,514.87 = 42,381,003.61 : x
  2. Step 2: Convert to fraction form
    54,967,438.77/75,884,514.87 = 42,381,003.61/x
  3. Step 3: Cross multiply
    54,967,438.77x = 75,884,514.87 × 42,381,003.61
  4. Step 4: Simplify right side
    54,967,438.77x = 3,216,061,898,648,569
  5. Step 5: Solve for x
    x = 3,216,061,898,648,569/54,967,438.77
  6. Step 6: Final answer
    x = 58,508,491.04

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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.