Home / 291,797,695.52-437,847,433.68-128,150,491.04

Finding the Fourth Proportional to 291,797,695.52, 437,847,433.68 and 128,150,491.04

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Solution

The fourth proportional to 291,797,695.52, 437,847,433.68 and 128,150,491.04 is: 192,292,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,797,695.52 : 437,847,433.68 = 128,150,491.04 : x
  2. Step 2: Convert to fraction form
    291,797,695.52/437,847,433.68 = 128,150,491.04/x
  3. Step 3: Cross multiply
    291,797,695.52x = 437,847,433.68 × 128,150,491.04
  4. Step 4: Simplify right side
    291,797,695.52x = 56,110,363,626,695,840
  5. Step 5: Solve for x
    x = 56,110,363,626,695,840/291,797,695.52
  6. Step 6: Final answer
    x = 192,292,003.97

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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.