Home / 66,051,023.80-98,982,057.30-48,643,378.60

Finding the Fourth Proportional to 66,051,023.80, 98,982,057.30 and 48,643,378.60

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Solution

The fourth proportional to 66,051,023.80, 98,982,057.30 and 48,643,378.60 is: 72,895,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,023.80 : 98,982,057.30 = 48,643,378.60 : x
  2. Step 2: Convert to fraction form
    66,051,023.80/98,982,057.30 = 48,643,378.60/x
  3. Step 3: Cross multiply
    66,051,023.80x = 98,982,057.30 × 48,643,378.60
  4. Step 4: Simplify right side
    66,051,023.80x = 4,814,821,687,850,794
  5. Step 5: Solve for x
    x = 4,814,821,687,850,794/66,051,023.80
  6. Step 6: Final answer
    x = 72,895,489.14

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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.