Home / 72,063,058.20-99,454,132.85-41,127,855.72

Finding the Fourth Proportional to 72,063,058.20, 99,454,132.85 and 41,127,855.72

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Solution

The fourth proportional to 72,063,058.20, 99,454,132.85 and 41,127,855.72 is: 56,760,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,063,058.20 : 99,454,132.85 = 41,127,855.72 : x
  2. Step 2: Convert to fraction form
    72,063,058.20/99,454,132.85 = 41,127,855.72/x
  3. Step 3: Cross multiply
    72,063,058.20x = 99,454,132.85 × 41,127,855.72
  4. Step 4: Simplify right side
    72,063,058.20x = 4,090,335,226,406,873
  5. Step 5: Solve for x
    x = 4,090,335,226,406,873/72,063,058.20
  6. Step 6: Final answer
    x = 56,760,500.16

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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.