Home / 66,432,700.80-99,649,051.20-57,345,059.70

Finding the Fourth Proportional to 66,432,700.80, 99,649,051.20 and 57,345,059.70

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Solution

The fourth proportional to 66,432,700.80, 99,649,051.20 and 57,345,059.70 is: 86,017,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,700.80 : 99,649,051.20 = 57,345,059.70 : x
  2. Step 2: Convert to fraction form
    66,432,700.80/99,649,051.20 = 57,345,059.70/x
  3. Step 3: Cross multiply
    66,432,700.80x = 99,649,051.20 × 57,345,059.70
  4. Step 4: Simplify right side
    66,432,700.80x = 5,714,380,790,112,357
  5. Step 5: Solve for x
    x = 5,714,380,790,112,357/66,432,700.80
  6. Step 6: Final answer
    x = 86,017,589.55

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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.