Home / 65,565,285.33-90,491,937.30-39,105,335.28

Finding the Fourth Proportional to 65,565,285.33, 90,491,937.30 and 39,105,335.28

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Solution

The fourth proportional to 65,565,285.33, 90,491,937.30 and 39,105,335.28 is: 53,972,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,565,285.33 : 90,491,937.30 = 39,105,335.28 : x
  2. Step 2: Convert to fraction form
    65,565,285.33/90,491,937.30 = 39,105,335.28/x
  3. Step 3: Cross multiply
    65,565,285.33x = 90,491,937.30 × 39,105,335.28
  4. Step 4: Simplify right side
    65,565,285.33x = 3,538,717,548,253,238
  5. Step 5: Solve for x
    x = 3,538,717,548,253,238/65,565,285.33
  6. Step 6: Final answer
    x = 53,972,426.57

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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.