Home / 115,452,912.36-159,264,614.40-71,385,824.64

Finding the Fourth Proportional to 115,452,912.36, 159,264,614.40 and 71,385,824.64

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Solution

The fourth proportional to 115,452,912.36, 159,264,614.40 and 71,385,824.64 is: 98,475,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452,912.36 : 159,264,614.40 = 71,385,824.64 : x
  2. Step 2: Convert to fraction form
    115,452,912.36/159,264,614.40 = 71,385,824.64/x
  3. Step 3: Cross multiply
    115,452,912.36x = 159,264,614.40 × 71,385,824.64
  4. Step 4: Simplify right side
    115,452,912.36x = 11,369,235,834,915,620
  5. Step 5: Solve for x
    x = 11,369,235,834,915,620/115,452,912.36
  6. Step 6: Final answer
    x = 98,475,089.13

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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.