Home / 88,921,922.05-122,709,616.84-49,231,221.73

Finding the Fourth Proportional to 88,921,922.05, 122,709,616.84 and 49,231,221.73

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Solution

The fourth proportional to 88,921,922.05, 122,709,616.84 and 49,231,221.73 is: 67,937,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921,922.05 : 122,709,616.84 = 49,231,221.73 : x
  2. Step 2: Convert to fraction form
    88,921,922.05/122,709,616.84 = 49,231,221.73/x
  3. Step 3: Cross multiply
    88,921,922.05x = 122,709,616.84 × 49,231,221.73
  4. Step 4: Simplify right side
    88,921,922.05x = 6,041,144,355,053,382
  5. Step 5: Solve for x
    x = 6,041,144,355,053,382/88,921,922.05
  6. Step 6: Final answer
    x = 67,937,626.81

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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.