Home / 137,659,280.32-206,488,002-55,776,950.56

Finding the Fourth Proportional to 137,659,280.32, 206,488,002 and 55,776,950.56

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Solution

The fourth proportional to 137,659,280.32, 206,488,002 and 55,776,950.56 is: 83,665,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659,280.32 : 206,488,002 = 55,776,950.56 : x
  2. Step 2: Convert to fraction form
    137,659,280.32/206,488,002 = 55,776,950.56/x
  3. Step 3: Cross multiply
    137,659,280.32x = 206,488,002 × 55,776,950.56
  4. Step 4: Simplify right side
    137,659,280.32x = 11,517,271,078,787,182
  5. Step 5: Solve for x
    x = 11,517,271,078,787,182/137,659,280.32
  6. Step 6: Final answer
    x = 83,665,053.69

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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.