Home / 71,923,291.20-99,235,005.12-40,982,801.04

Finding the Fourth Proportional to 71,923,291.20, 99,235,005.12 and 40,982,801.04

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Solution

The fourth proportional to 71,923,291.20, 99,235,005.12 and 40,982,801.04 is: 56,545,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,923,291.20 : 99,235,005.12 = 40,982,801.04 : x
  2. Step 2: Convert to fraction form
    71,923,291.20/99,235,005.12 = 40,982,801.04/x
  3. Step 3: Cross multiply
    71,923,291.20x = 99,235,005.12 × 40,982,801.04
  4. Step 4: Simplify right side
    71,923,291.20x = 4,066,928,471,036,341.50
  5. Step 5: Solve for x
    x = 4,066,928,471,036,341.50/71,923,291.20
  6. Step 6: Final answer
    x = 56,545,361.08

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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.