Home / 71,444,611.23-107,031,694.63-42,211,025.97

Finding the Fourth Proportional to 71,444,611.23, 107,031,694.63 and 42,211,025.97

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Solution

The fourth proportional to 71,444,611.23, 107,031,694.63 and 42,211,025.97 is: 63,236,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,444,611.23 : 107,031,694.63 = 42,211,025.97 : x
  2. Step 2: Convert to fraction form
    71,444,611.23/107,031,694.63 = 42,211,025.97/x
  3. Step 3: Cross multiply
    71,444,611.23x = 107,031,694.63 × 42,211,025.97
  4. Step 4: Simplify right side
    71,444,611.23x = 4,517,917,641,640,039
  5. Step 5: Solve for x
    x = 4,517,917,641,640,039/71,444,611.23
  6. Step 6: Final answer
    x = 63,236,646.74

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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.