Home / 72,764,694.90-108,987,610.05-64,686,791.70

Finding the Fourth Proportional to 72,764,694.90, 108,987,610.05 and 64,686,791.70

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Solution

The fourth proportional to 72,764,694.90, 108,987,610.05 and 64,686,791.70 is: 96,888,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,764,694.90 : 108,987,610.05 = 64,686,791.70 : x
  2. Step 2: Convert to fraction form
    72,764,694.90/108,987,610.05 = 64,686,791.70/x
  3. Step 3: Cross multiply
    72,764,694.90x = 108,987,610.05 × 64,686,791.70
  4. Step 4: Simplify right side
    72,764,694.90x = 7,050,058,829,185,177
  5. Step 5: Solve for x
    x = 7,050,058,829,185,177/72,764,694.90
  6. Step 6: Final answer
    x = 96,888,454.47

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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.