Home / 354,823,867.20-532,235,800.80-124,791,124.80

Finding the Fourth Proportional to 354,823,867.20, 532,235,800.80 and 124,791,124.80

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Solution

The fourth proportional to 354,823,867.20, 532,235,800.80 and 124,791,124.80 is: 187,186,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,823,867.20 : 532,235,800.80 = 124,791,124.80 : x
  2. Step 2: Convert to fraction form
    354,823,867.20/532,235,800.80 = 124,791,124.80/x
  3. Step 3: Cross multiply
    354,823,867.20x = 532,235,800.80 × 124,791,124.80
  4. Step 4: Simplify right side
    354,823,867.20x = 66,418,304,240,660,736
  5. Step 5: Solve for x
    x = 66,418,304,240,660,736/354,823,867.20
  6. Step 6: Final answer
    x = 187,186,687.20

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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.