Home / 147,160,320.16-203,087,508.24-81,970,206.88

Finding the Fourth Proportional to 147,160,320.16, 203,087,508.24 and 81,970,206.88

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Solution

The fourth proportional to 147,160,320.16, 203,087,508.24 and 81,970,206.88 is: 113,122,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,160,320.16 : 203,087,508.24 = 81,970,206.88 : x
  2. Step 2: Convert to fraction form
    147,160,320.16/203,087,508.24 = 81,970,206.88/x
  3. Step 3: Cross multiply
    147,160,320.16x = 203,087,508.24 × 81,970,206.88
  4. Step 4: Simplify right side
    147,160,320.16x = 16,647,125,065,176,504
  5. Step 5: Solve for x
    x = 16,647,125,065,176,504/147,160,320.16
  6. Step 6: Final answer
    x = 113,122,375.97

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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.