Home / 71,113,436.10-106,670,195.37-19,995,454.92

Finding the Fourth Proportional to 71,113,436.10, 106,670,195.37 and 19,995,454.92

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Solution

The fourth proportional to 71,113,436.10, 106,670,195.37 and 19,995,454.92 is: 29,993,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,113,436.10 : 106,670,195.37 = 19,995,454.92 : x
  2. Step 2: Convert to fraction form
    71,113,436.10/106,670,195.37 = 19,995,454.92/x
  3. Step 3: Cross multiply
    71,113,436.10x = 106,670,195.37 × 19,995,454.92
  4. Step 4: Simplify right side
    71,113,436.10x = 2,132,919,082,828,428
  5. Step 5: Solve for x
    x = 2,132,919,082,828,428/71,113,436.10
  6. Step 6: Final answer
    x = 29,993,193.97

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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.