Home / 68,887,838.28-103,344,471.18-28,501,471.56

Finding the Fourth Proportional to 68,887,838.28, 103,344,471.18 and 28,501,471.56

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Solution

The fourth proportional to 68,887,838.28, 103,344,471.18 and 28,501,471.56 is: 42,757,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,887,838.28 : 103,344,471.18 = 28,501,471.56 : x
  2. Step 2: Convert to fraction form
    68,887,838.28/103,344,471.18 = 28,501,471.56/x
  3. Step 3: Cross multiply
    68,887,838.28x = 103,344,471.18 × 28,501,471.56
  4. Step 4: Simplify right side
    68,887,838.28x = 2,945,469,506,220,009.50
  5. Step 5: Solve for x
    x = 2,945,469,506,220,009.50/68,887,838.28
  6. Step 6: Final answer
    x = 42,757,467.50

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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.