Home / 54,970,811.20-82,456,216.80-49,680,020.80

Finding the Fourth Proportional to 54,970,811.20, 82,456,216.80 and 49,680,020.80

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Solution

The fourth proportional to 54,970,811.20, 82,456,216.80 and 49,680,020.80 is: 74,520,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970,811.20 : 82,456,216.80 = 49,680,020.80 : x
  2. Step 2: Convert to fraction form
    54,970,811.20/82,456,216.80 = 49,680,020.80/x
  3. Step 3: Cross multiply
    54,970,811.20x = 82,456,216.80 × 49,680,020.80
  4. Step 4: Simplify right side
    54,970,811.20x = 4,096,426,565,713,309
  5. Step 5: Solve for x
    x = 4,096,426,565,713,309/54,970,811.20
  6. Step 6: Final answer
    x = 74,520,031.20

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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.