Home / 218,498,145.16-327,534,197.82-87,301,311.40

Finding the Fourth Proportional to 218,498,145.16, 327,534,197.82 and 87,301,311.40

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Solution

The fourth proportional to 218,498,145.16, 327,534,197.82 and 87,301,311.40 is: 130,866,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,498,145.16 : 327,534,197.82 = 87,301,311.40 : x
  2. Step 2: Convert to fraction form
    218,498,145.16/327,534,197.82 = 87,301,311.40/x
  3. Step 3: Cross multiply
    218,498,145.16x = 327,534,197.82 × 87,301,311.40
  4. Step 4: Simplify right side
    218,498,145.16x = 28,594,164,998,033,024
  5. Step 5: Solve for x
    x = 28,594,164,998,033,024/218,498,145.16
  6. Step 6: Final answer
    x = 130,866,854.62

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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.