Home / 99,644,781.30-149,467,171.95-45,792,093.30

Finding the Fourth Proportional to 99,644,781.30, 149,467,171.95 and 45,792,093.30

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Solution

The fourth proportional to 99,644,781.30, 149,467,171.95 and 45,792,093.30 is: 68,688,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,644,781.30 : 149,467,171.95 = 45,792,093.30 : x
  2. Step 2: Convert to fraction form
    99,644,781.30/149,467,171.95 = 45,792,093.30/x
  3. Step 3: Cross multiply
    99,644,781.30x = 149,467,171.95 × 45,792,093.30
  4. Step 4: Simplify right side
    99,644,781.30x = 6,844,414,683,221,542
  5. Step 5: Solve for x
    x = 6,844,414,683,221,542/99,644,781.30
  6. Step 6: Final answer
    x = 68,688,139.95

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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.