Home / 99,397,128.87-137,166,400.22-58,151,008.71

Finding the Fourth Proportional to 99,397,128.87, 137,166,400.22 and 58,151,008.71

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Solution

The fourth proportional to 99,397,128.87, 137,166,400.22 and 58,151,008.71 is: 80,247,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,397,128.87 : 137,166,400.22 = 58,151,008.71 : x
  2. Step 2: Convert to fraction form
    99,397,128.87/137,166,400.22 = 58,151,008.71/x
  3. Step 3: Cross multiply
    99,397,128.87x = 137,166,400.22 × 58,151,008.71
  4. Step 4: Simplify right side
    99,397,128.87x = 7,976,364,533,621,811
  5. Step 5: Solve for x
    x = 7,976,364,533,621,811/99,397,128.87
  6. Step 6: Final answer
    x = 80,247,433.95

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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.