Home / 87,342,714.08-130,945,039.12-43,601,023.20

Finding the Fourth Proportional to 87,342,714.08, 130,945,039.12 and 43,601,023.20

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Solution

The fourth proportional to 87,342,714.08, 130,945,039.12 and 43,601,023.20 is: 65,367,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,342,714.08 : 130,945,039.12 = 43,601,023.20 : x
  2. Step 2: Convert to fraction form
    87,342,714.08/130,945,039.12 = 43,601,023.20/x
  3. Step 3: Cross multiply
    87,342,714.08x = 130,945,039.12 × 43,601,023.20
  4. Step 4: Simplify right side
    87,342,714.08x = 5,709,337,688,596,028
  5. Step 5: Solve for x
    x = 5,709,337,688,596,028/87,342,714.08
  6. Step 6: Final answer
    x = 65,367,074.39

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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.