Home / 87,522,368.40-131,401,747.80-51,168,013.20

Finding the Fourth Proportional to 87,522,368.40, 131,401,747.80 and 51,168,013.20

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Solution

The fourth proportional to 87,522,368.40, 131,401,747.80 and 51,168,013.20 is: 76,821,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522,368.40 : 131,401,747.80 = 51,168,013.20 : x
  2. Step 2: Convert to fraction form
    87,522,368.40/131,401,747.80 = 51,168,013.20/x
  3. Step 3: Cross multiply
    87,522,368.40x = 131,401,747.80 × 51,168,013.20
  4. Step 4: Simplify right side
    87,522,368.40x = 6,723,566,365,933,471
  5. Step 5: Solve for x
    x = 6,723,566,365,933,471/87,522,368.40
  6. Step 6: Final answer
    x = 76,821,120.00

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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.