Home / 71,113,439.39-106,670,200.28-19,995,458.22

Finding the Fourth Proportional to 71,113,439.39, 106,670,200.28 and 19,995,458.22

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Solution

The fourth proportional to 71,113,439.39, 106,670,200.28 and 19,995,458.22 is: 29,993,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,113,439.39 : 106,670,200.28 = 19,995,458.22 : x
  2. Step 2: Convert to fraction form
    71,113,439.39/106,670,200.28 = 19,995,458.22/x
  3. Step 3: Cross multiply
    71,113,439.39x = 106,670,200.28 × 19,995,458.22
  4. Step 4: Simplify right side
    71,113,439.39x = 2,132,919,532,917,795
  5. Step 5: Solve for x
    x = 2,132,919,532,917,795/71,113,439.39
  6. Step 6: Final answer
    x = 29,993,198.91

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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.