Home / 69,979,862.90-96,572,251.89-39,040,032.14

Finding the Fourth Proportional to 69,979,862.90, 96,572,251.89 and 39,040,032.14

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Solution

The fourth proportional to 69,979,862.90, 96,572,251.89 and 39,040,032.14 is: 53,875,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,862.90 : 96,572,251.89 = 39,040,032.14 : x
  2. Step 2: Convert to fraction form
    69,979,862.90/96,572,251.89 = 39,040,032.14/x
  3. Step 3: Cross multiply
    69,979,862.90x = 96,572,251.89 × 39,040,032.14
  4. Step 4: Simplify right side
    69,979,862.90x = 3,770,183,817,617,776
  5. Step 5: Solve for x
    x = 3,770,183,817,617,776/69,979,862.90
  6. Step 6: Final answer
    x = 53,875,267.28

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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.