Home / 66,268,909.17-91,450,222.97-36,498,985.65

Finding the Fourth Proportional to 66,268,909.17, 91,450,222.97 and 36,498,985.65

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Solution

The fourth proportional to 66,268,909.17, 91,450,222.97 and 36,498,985.65 is: 50,368,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268,909.17 : 91,450,222.97 = 36,498,985.65 : x
  2. Step 2: Convert to fraction form
    66,268,909.17/91,450,222.97 = 36,498,985.65/x
  3. Step 3: Cross multiply
    66,268,909.17x = 91,450,222.97 × 36,498,985.65
  4. Step 4: Simplify right side
    66,268,909.17x = 3,337,840,375,688,835.50
  5. Step 5: Solve for x
    x = 3,337,840,375,688,835.50/66,268,909.17
  6. Step 6: Final answer
    x = 50,368,120.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.