Home / 145,514,135.80-218,301,530.10-48,499,982.20

Finding the Fourth Proportional to 145,514,135.80, 218,301,530.10 and 48,499,982.20

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Solution

The fourth proportional to 145,514,135.80, 218,301,530.10 and 48,499,982.20 is: 72,760,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514,135.80 : 218,301,530.10 = 48,499,982.20 : x
  2. Step 2: Convert to fraction form
    145,514,135.80/218,301,530.10 = 48,499,982.20/x
  3. Step 3: Cross multiply
    145,514,135.80x = 218,301,530.10 × 48,499,982.20
  4. Step 4: Simplify right side
    145,514,135.80x = 10,587,620,324,082,764
  5. Step 5: Solve for x
    x = 10,587,620,324,082,764/145,514,135.80
  6. Step 6: Final answer
    x = 72,760,081.11

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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.