Home / 48,451,141.98-66,845,691.86-31,057,078.05

Finding the Fourth Proportional to 48,451,141.98, 66,845,691.86 and 31,057,078.05

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Solution

The fourth proportional to 48,451,141.98, 66,845,691.86 and 31,057,078.05 is: 42,847,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,451,141.98 : 66,845,691.86 = 31,057,078.05 : x
  2. Step 2: Convert to fraction form
    48,451,141.98/66,845,691.86 = 31,057,078.05/x
  3. Step 3: Cross multiply
    48,451,141.98x = 66,845,691.86 × 31,057,078.05
  4. Step 4: Simplify right side
    48,451,141.98x = 2,076,031,869,246,984.25
  5. Step 5: Solve for x
    x = 2,076,031,869,246,984.25/48,451,141.98
  6. Step 6: Final answer
    x = 42,847,945.05

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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.