Home / 109,211,432.76-163,817,761.50-36,428,013.70

Finding the Fourth Proportional to 109,211,432.76, 163,817,761.50 and 36,428,013.70

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Solution

The fourth proportional to 109,211,432.76, 163,817,761.50 and 36,428,013.70 is: 54,642,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,211,432.76 : 163,817,761.50 = 36,428,013.70 : x
  2. Step 2: Convert to fraction form
    109,211,432.76/163,817,761.50 = 36,428,013.70/x
  3. Step 3: Cross multiply
    109,211,432.76x = 163,817,761.50 × 36,428,013.70
  4. Step 4: Simplify right side
    109,211,432.76x = 5,967,555,659,815,788
  5. Step 5: Solve for x
    x = 5,967,555,659,815,788/109,211,432.76
  6. Step 6: Final answer
    x = 54,642,224.80

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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.