Home / 87,288,273.60-130,932,410.40-53,276,049.60

Finding the Fourth Proportional to 87,288,273.60, 130,932,410.40 and 53,276,049.60

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Solution

The fourth proportional to 87,288,273.60, 130,932,410.40 and 53,276,049.60 is: 79,914,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,288,273.60 : 130,932,410.40 = 53,276,049.60 : x
  2. Step 2: Convert to fraction form
    87,288,273.60/130,932,410.40 = 53,276,049.60/x
  3. Step 3: Cross multiply
    87,288,273.60x = 130,932,410.40 × 53,276,049.60
  4. Step 4: Simplify right side
    87,288,273.60x = 6,975,561,590,717,956
  5. Step 5: Solve for x
    x = 6,975,561,590,717,956/87,288,273.60
  6. Step 6: Final answer
    x = 79,914,074.40

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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.