Home / 87,972,066.40-131,991,277.20-42,574,050.40

Finding the Fourth Proportional to 87,972,066.40, 131,991,277.20 and 42,574,050.40

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Solution

The fourth proportional to 87,972,066.40, 131,991,277.20 and 42,574,050.40 is: 63,877,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,972,066.40 : 131,991,277.20 = 42,574,050.40 : x
  2. Step 2: Convert to fraction form
    87,972,066.40/131,991,277.20 = 42,574,050.40/x
  3. Step 3: Cross multiply
    87,972,066.40x = 131,991,277.20 × 42,574,050.40
  4. Step 4: Simplify right side
    87,972,066.40x = 5,619,403,287,873,171
  5. Step 5: Solve for x
    x = 5,619,403,287,873,171/87,972,066.40
  6. Step 6: Final answer
    x = 63,877,131.89

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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.