Home / 72,448,008.30-108,797,983.65-38,435,784.30

Finding the Fourth Proportional to 72,448,008.30, 108,797,983.65 and 38,435,784.30

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Solution

The fourth proportional to 72,448,008.30, 108,797,983.65 and 38,435,784.30 is: 57,720,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448,008.30 : 108,797,983.65 = 38,435,784.30 : x
  2. Step 2: Convert to fraction form
    72,448,008.30/108,797,983.65 = 38,435,784.30/x
  3. Step 3: Cross multiply
    72,448,008.30x = 108,797,983.65 × 38,435,784.30
  4. Step 4: Simplify right side
    72,448,008.30x = 4,181,735,831,846,326.50
  5. Step 5: Solve for x
    x = 4,181,735,831,846,326.50/72,448,008.30
  6. Step 6: Final answer
    x = 57,720,507.85

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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.