Home / 189,564,863.03-284,479,293.31-66,753,072.60

Finding the Fourth Proportional to 189,564,863.03, 284,479,293.31 and 66,753,072.60

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Solution

The fourth proportional to 189,564,863.03, 284,479,293.31 and 66,753,072.60 is: 100,176,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,564,863.03 : 284,479,293.31 = 66,753,072.60 : x
  2. Step 2: Convert to fraction form
    189,564,863.03/284,479,293.31 = 66,753,072.60/x
  3. Step 3: Cross multiply
    189,564,863.03x = 284,479,293.31 × 66,753,072.60
  4. Step 4: Simplify right side
    189,564,863.03x = 18,989,866,920,419,040
  5. Step 5: Solve for x
    x = 18,989,866,920,419,040/189,564,863.03
  6. Step 6: Final answer
    x = 100,176,090.74

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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.