Home / 69,979,862.40-96,572,251.20-39,040,031.64

Finding the Fourth Proportional to 69,979,862.40, 96,572,251.20 and 39,040,031.64

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Solution

The fourth proportional to 69,979,862.40, 96,572,251.20 and 39,040,031.64 is: 53,875,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,862.40 : 96,572,251.20 = 39,040,031.64 : x
  2. Step 2: Convert to fraction form
    69,979,862.40/96,572,251.20 = 39,040,031.64/x
  3. Step 3: Cross multiply
    69,979,862.40x = 96,572,251.20 × 39,040,031.64
  4. Step 4: Simplify right side
    69,979,862.40x = 3,770,183,742,394,028
  5. Step 5: Solve for x
    x = 3,770,183,742,394,028/69,979,862.40
  6. Step 6: Final answer
    x = 53,875,266.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.