Home / 101,285,758.05-139,731,545.21-67,806,023.16

Finding the Fourth Proportional to 101,285,758.05, 139,731,545.21 and 67,806,023.16

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Solution

The fourth proportional to 101,285,758.05, 139,731,545.21 and 67,806,023.16 is: 93,543,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,285,758.05 : 139,731,545.21 = 67,806,023.16 : x
  2. Step 2: Convert to fraction form
    101,285,758.05/139,731,545.21 = 67,806,023.16/x
  3. Step 3: Cross multiply
    101,285,758.05x = 139,731,545.21 × 67,806,023.16
  4. Step 4: Simplify right side
    101,285,758.05x = 9,474,640,390,287,144
  5. Step 5: Solve for x
    x = 9,474,640,390,287,144/101,285,758.05
  6. Step 6: Final answer
    x = 93,543,658.78

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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.