Home / 72,827,542.10-109,241,313.15-38,815,318.10

Finding the Fourth Proportional to 72,827,542.10, 109,241,313.15 and 38,815,318.10

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Solution

The fourth proportional to 72,827,542.10, 109,241,313.15 and 38,815,318.10 is: 58,222,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,542.10 : 109,241,313.15 = 38,815,318.10 : x
  2. Step 2: Convert to fraction form
    72,827,542.10/109,241,313.15 = 38,815,318.10/x
  3. Step 3: Cross multiply
    72,827,542.10x = 109,241,313.15 × 38,815,318.10
  4. Step 4: Simplify right side
    72,827,542.10x = 4,240,236,319,578,963.50
  5. Step 5: Solve for x
    x = 4,240,236,319,578,963.50/72,827,542.10
  6. Step 6: Final answer
    x = 58,222,977.15

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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.