Home / 66,980,761.20-100,336,618.04-30,539,023.20

Finding the Fourth Proportional to 66,980,761.20, 100,336,618.04 and 30,539,023.20

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Solution

The fourth proportional to 66,980,761.20, 100,336,618.04 and 30,539,023.20 is: 45,747,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,980,761.20 : 100,336,618.04 = 30,539,023.20 : x
  2. Step 2: Convert to fraction form
    66,980,761.20/100,336,618.04 = 30,539,023.20/x
  3. Step 3: Cross multiply
    66,980,761.20x = 100,336,618.04 × 30,539,023.20
  4. Step 4: Simplify right side
    66,980,761.20x = 3,064,182,306,133,098.50
  5. Step 5: Solve for x
    x = 3,064,182,306,133,098.50/66,980,761.20
  6. Step 6: Final answer
    x = 45,747,200.41

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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.