Home / 66,268,876.30-99,403,314.45-18,399,820.30

Finding the Fourth Proportional to 66,268,876.30, 99,403,314.45 and 18,399,820.30

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Solution

The fourth proportional to 66,268,876.30, 99,403,314.45 and 18,399,820.30 is: 27,599,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268,876.30 : 99,403,314.45 = 18,399,820.30 : x
  2. Step 2: Convert to fraction form
    66,268,876.30/99,403,314.45 = 18,399,820.30/x
  3. Step 3: Cross multiply
    66,268,876.30x = 99,403,314.45 × 18,399,820.30
  4. Step 4: Simplify right side
    66,268,876.30x = 1,829,003,123,104,393.50
  5. Step 5: Solve for x
    x = 1,829,003,123,104,393.50/66,268,876.30
  6. Step 6: Final answer
    x = 27,599,730.45

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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.