Home / 82,448,003.60-123,672,005.40-74,889,731.60

Finding the Fourth Proportional to 82,448,003.60, 123,672,005.40 and 74,889,731.60

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Solution

The fourth proportional to 82,448,003.60, 123,672,005.40 and 74,889,731.60 is: 112,334,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,448,003.60 : 123,672,005.40 = 74,889,731.60 : x
  2. Step 2: Convert to fraction form
    82,448,003.60/123,672,005.40 = 74,889,731.60/x
  3. Step 3: Cross multiply
    82,448,003.60x = 123,672,005.40 × 74,889,731.60
  4. Step 4: Simplify right side
    82,448,003.60x = 9,261,763,290,839,750
  5. Step 5: Solve for x
    x = 9,261,763,290,839,750/82,448,003.60
  6. Step 6: Final answer
    x = 112,334,597.40

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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.