Home / 128,114,911.20-192,153,704.40-37,229,023.20

Finding the Fourth Proportional to 128,114,911.20, 192,153,704.40 and 37,229,023.20

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Solution

The fourth proportional to 128,114,911.20, 192,153,704.40 and 37,229,023.20 is: 55,838,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,114,911.20 : 192,153,704.40 = 37,229,023.20 : x
  2. Step 2: Convert to fraction form
    128,114,911.20/192,153,704.40 = 37,229,023.20/x
  3. Step 3: Cross multiply
    128,114,911.20x = 192,153,704.40 × 37,229,023.20
  4. Step 4: Simplify right side
    128,114,911.20x = 7,153,694,719,073,543
  5. Step 5: Solve for x
    x = 7,153,694,719,073,543/128,114,911.20
  6. Step 6: Final answer
    x = 55,838,111.68

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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.