Home / 124,422,309.90-186,661,458.45-73,278,002.70

Finding the Fourth Proportional to 124,422,309.90, 186,661,458.45 and 73,278,002.70

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Solution

The fourth proportional to 124,422,309.90, 186,661,458.45 and 73,278,002.70 is: 109,933,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,422,309.90 : 186,661,458.45 = 73,278,002.70 : x
  2. Step 2: Convert to fraction form
    124,422,309.90/186,661,458.45 = 73,278,002.70/x
  3. Step 3: Cross multiply
    124,422,309.90x = 186,661,458.45 × 73,278,002.70
  4. Step 4: Simplify right side
    124,422,309.90x = 13,678,178,856,285,038
  5. Step 5: Solve for x
    x = 13,678,178,856,285,038/124,422,309.90
  6. Step 6: Final answer
    x = 109,933,490.76

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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.