Home / 68,941,356.80-95,139,049.20-38,002,042.80

Finding the Fourth Proportional to 68,941,356.80, 95,139,049.20 and 38,002,042.80

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Solution

The fourth proportional to 68,941,356.80, 95,139,049.20 and 38,002,042.80 is: 52,442,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941,356.80 : 95,139,049.20 = 38,002,042.80 : x
  2. Step 2: Convert to fraction form
    68,941,356.80/95,139,049.20 = 38,002,042.80/x
  3. Step 3: Cross multiply
    68,941,356.80x = 95,139,049.20 × 38,002,042.80
  4. Step 4: Simplify right side
    68,941,356.80x = 3,615,478,219,649,705.50
  5. Step 5: Solve for x
    x = 3,615,478,219,649,705.50/68,941,356.80
  6. Step 6: Final answer
    x = 52,442,806.28

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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.