Home / 124,468,279.20-186,702,418.80-67,072,651.20

Finding the Fourth Proportional to 124,468,279.20, 186,702,418.80 and 67,072,651.20

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Solution

The fourth proportional to 124,468,279.20, 186,702,418.80 and 67,072,651.20 is: 100,608,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468,279.20 : 186,702,418.80 = 67,072,651.20 : x
  2. Step 2: Convert to fraction form
    124,468,279.20/186,702,418.80 = 67,072,651.20/x
  3. Step 3: Cross multiply
    124,468,279.20x = 186,702,418.80 × 67,072,651.20
  4. Step 4: Simplify right side
    124,468,279.20x = 12,522,626,214,368,724
  5. Step 5: Solve for x
    x = 12,522,626,214,368,724/124,468,279.20
  6. Step 6: Final answer
    x = 100,608,976.80

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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.