Home / 55,633,373.28-76,771,356.48-30,854,542.95

Finding the Fourth Proportional to 55,633,373.28, 76,771,356.48 and 30,854,542.95

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Solution

The fourth proportional to 55,633,373.28, 76,771,356.48 and 30,854,542.95 is: 42,577,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633,373.28 : 76,771,356.48 = 30,854,542.95 : x
  2. Step 2: Convert to fraction form
    55,633,373.28/76,771,356.48 = 30,854,542.95/x
  3. Step 3: Cross multiply
    55,633,373.28x = 76,771,356.48 × 30,854,542.95
  4. Step 4: Simplify right side
    55,633,373.28x = 2,368,745,115,841,921
  5. Step 5: Solve for x
    x = 2,368,745,115,841,921/55,633,373.28
  6. Step 6: Final answer
    x = 42,577,772.59

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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.