Home / 66,511,035.20-99,799,730.40-37,779,233.60

Finding the Fourth Proportional to 66,511,035.20, 99,799,730.40 and 37,779,233.60

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Solution

The fourth proportional to 66,511,035.20, 99,799,730.40 and 37,779,233.60 is: 56,687,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511,035.20 : 99,799,730.40 = 37,779,233.60 : x
  2. Step 2: Convert to fraction form
    66,511,035.20/99,799,730.40 = 37,779,233.60/x
  3. Step 3: Cross multiply
    66,511,035.20x = 99,799,730.40 × 37,779,233.60
  4. Step 4: Simplify right side
    66,511,035.20x = 3,770,357,327,998,622
  5. Step 5: Solve for x
    x = 3,770,357,327,998,622/66,511,035.20
  6. Step 6: Final answer
    x = 56,687,695.76

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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.