Home / 121,441,188.62-181,971,128.40-82,598,165.90

Finding the Fourth Proportional to 121,441,188.62, 181,971,128.40 and 82,598,165.90

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Solution

The fourth proportional to 121,441,188.62, 181,971,128.40 and 82,598,165.90 is: 123,767,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,441,188.62 : 181,971,128.40 = 82,598,165.90 : x
  2. Step 2: Convert to fraction form
    121,441,188.62/181,971,128.40 = 82,598,165.90/x
  3. Step 3: Cross multiply
    121,441,188.62x = 181,971,128.40 × 82,598,165.90
  4. Step 4: Simplify right side
    121,441,188.62x = 15,030,481,452,593,404
  5. Step 5: Solve for x
    x = 15,030,481,452,593,404/121,441,188.62
  6. Step 6: Final answer
    x = 123,767,575.26

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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.