Home / 145,513,117.80-218,300,003.10-48,498,964.20

Finding the Fourth Proportional to 145,513,117.80, 218,300,003.10 and 48,498,964.20

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Solution

The fourth proportional to 145,513,117.80, 218,300,003.10 and 48,498,964.20 is: 72,758,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,513,117.80 : 218,300,003.10 = 48,498,964.20 : x
  2. Step 2: Convert to fraction form
    145,513,117.80/218,300,003.10 = 48,498,964.20/x
  3. Step 3: Cross multiply
    145,513,117.80x = 218,300,003.10 × 48,498,964.20
  4. Step 4: Simplify right side
    145,513,117.80x = 10,587,324,035,206,790
  5. Step 5: Solve for x
    x = 10,587,324,035,206,790/145,513,117.80
  6. Step 6: Final answer
    x = 72,758,553.97

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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.