Home / 66,067,300.80-99,100,951.20-43,109,049.60

Finding the Fourth Proportional to 66,067,300.80, 99,100,951.20 and 43,109,049.60

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Solution

The fourth proportional to 66,067,300.80, 99,100,951.20 and 43,109,049.60 is: 64,663,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067,300.80 : 99,100,951.20 = 43,109,049.60 : x
  2. Step 2: Convert to fraction form
    66,067,300.80/99,100,951.20 = 43,109,049.60/x
  3. Step 3: Cross multiply
    66,067,300.80x = 99,100,951.20 × 43,109,049.60
  4. Step 4: Simplify right side
    66,067,300.80x = 4,272,147,820,687,980
  5. Step 5: Solve for x
    x = 4,272,147,820,687,980/66,067,300.80
  6. Step 6: Final answer
    x = 64,663,574.40

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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.