Home / 87,288,245.60-130,932,368.40-53,276,021.60

Finding the Fourth Proportional to 87,288,245.60, 130,932,368.40 and 53,276,021.60

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Solution

The fourth proportional to 87,288,245.60, 130,932,368.40 and 53,276,021.60 is: 79,914,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,288,245.60 : 130,932,368.40 = 53,276,021.60 : x
  2. Step 2: Convert to fraction form
    87,288,245.60/130,932,368.40 = 53,276,021.60/x
  3. Step 3: Cross multiply
    87,288,245.60x = 130,932,368.40 × 53,276,021.60
  4. Step 4: Simplify right side
    87,288,245.60x = 6,975,555,687,017,558
  5. Step 5: Solve for x
    x = 6,975,555,687,017,558/87,288,245.60
  6. Step 6: Final answer
    x = 79,914,032.40

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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.