Home / 101,033,911.70-151,550,867.55-68,748,870.95

Finding the Fourth Proportional to 101,033,911.70, 151,550,867.55 and 68,748,870.95

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Solution

The fourth proportional to 101,033,911.70, 151,550,867.55 and 68,748,870.95 is: 103,123,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,033,911.70 : 151,550,867.55 = 68,748,870.95 : x
  2. Step 2: Convert to fraction form
    101,033,911.70/151,550,867.55 = 68,748,870.95/x
  3. Step 3: Cross multiply
    101,033,911.70x = 151,550,867.55 × 68,748,870.95
  4. Step 4: Simplify right side
    101,033,911.70x = 10,418,951,035,555,494
  5. Step 5: Solve for x
    x = 10,418,951,035,555,494/101,033,911.70
  6. Step 6: Final answer
    x = 103,123,306.43

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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.