Home / 72,215,852.43-108,350,745.57-29,097,288.48

Finding the Fourth Proportional to 72,215,852.43, 108,350,745.57 and 29,097,288.48

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Solution

The fourth proportional to 72,215,852.43, 108,350,745.57 and 29,097,288.48 is: 43,656,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,852.43 : 108,350,745.57 = 29,097,288.48 : x
  2. Step 2: Convert to fraction form
    72,215,852.43/108,350,745.57 = 29,097,288.48/x
  3. Step 3: Cross multiply
    72,215,852.43x = 108,350,745.57 × 29,097,288.48
  4. Step 4: Simplify right side
    72,215,852.43x = 3,152,712,900,873,372
  5. Step 5: Solve for x
    x = 3,152,712,900,873,372/72,215,852.43
  6. Step 6: Final answer
    x = 43,656,798.26

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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.