Home / 99,504,079.52-137,313,763.20-55,450,107.92

Finding the Fourth Proportional to 99,504,079.52, 137,313,763.20 and 55,450,107.92

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Solution

The fourth proportional to 99,504,079.52, 137,313,763.20 and 55,450,107.92 is: 76,520,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504,079.52 : 137,313,763.20 = 55,450,107.92 : x
  2. Step 2: Convert to fraction form
    99,504,079.52/137,313,763.20 = 55,450,107.92/x
  3. Step 3: Cross multiply
    99,504,079.52x = 137,313,763.20 × 55,450,107.92
  4. Step 4: Simplify right side
    99,504,079.52x = 7,614,062,988,341,324
  5. Step 5: Solve for x
    x = 7,614,062,988,341,324/99,504,079.52
  6. Step 6: Final answer
    x = 76,520,108.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.