Home / 66,511,036.20-99,799,731.90-37,779,234.60

Finding the Fourth Proportional to 66,511,036.20, 99,799,731.90 and 37,779,234.60

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Solution

The fourth proportional to 66,511,036.20, 99,799,731.90 and 37,779,234.60 is: 56,687,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511,036.20 : 99,799,731.90 = 37,779,234.60 : x
  2. Step 2: Convert to fraction form
    66,511,036.20/99,799,731.90 = 37,779,234.60/x
  3. Step 3: Cross multiply
    66,511,036.20x = 99,799,731.90 × 37,779,234.60
  4. Step 4: Simplify right side
    66,511,036.20x = 3,770,357,484,467,204
  5. Step 5: Solve for x
    x = 3,770,357,484,467,204/66,511,036.20
  6. Step 6: Final answer
    x = 56,687,697.26

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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.