Home / 238,428,515.40-357,642,773.10-123,448,302.60

Finding the Fourth Proportional to 238,428,515.40, 357,642,773.10 and 123,448,302.60

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Solution

The fourth proportional to 238,428,515.40, 357,642,773.10 and 123,448,302.60 is: 185,172,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,428,515.40 : 357,642,773.10 = 123,448,302.60 : x
  2. Step 2: Convert to fraction form
    238,428,515.40/357,642,773.10 = 123,448,302.60/x
  3. Step 3: Cross multiply
    238,428,515.40x = 357,642,773.10 × 123,448,302.60
  4. Step 4: Simplify right side
    238,428,515.40x = 44,150,393,276,351,944
  5. Step 5: Solve for x
    x = 44,150,393,276,351,944/238,428,515.40
  6. Step 6: Final answer
    x = 185,172,453.90

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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.