Home / 125,679,584.28-188,517,479.40-56,543,566.22

Finding the Fourth Proportional to 125,679,584.28, 188,517,479.40 and 56,543,566.22

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Solution

The fourth proportional to 125,679,584.28, 188,517,479.40 and 56,543,566.22 is: 84,814,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,679,584.28 : 188,517,479.40 = 56,543,566.22 : x
  2. Step 2: Convert to fraction form
    125,679,584.28/188,517,479.40 = 56,543,566.22/x
  3. Step 3: Cross multiply
    125,679,584.28x = 188,517,479.40 × 56,543,566.22
  4. Step 4: Simplify right side
    125,679,584.28x = 10,659,450,579,138,800
  5. Step 5: Solve for x
    x = 10,659,450,579,138,800/125,679,584.28
  6. Step 6: Final answer
    x = 84,814,495.85

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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.