Home / 66,696,169.80-100,072,868.21-25,784,342.42

Finding the Fourth Proportional to 66,696,169.80, 100,072,868.21 and 25,784,342.42

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Solution

The fourth proportional to 66,696,169.80, 100,072,868.21 and 25,784,342.42 is: 38,687,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,696,169.80 : 100,072,868.21 = 25,784,342.42 : x
  2. Step 2: Convert to fraction form
    66,696,169.80/100,072,868.21 = 25,784,342.42/x
  3. Step 3: Cross multiply
    66,696,169.80x = 100,072,868.21 × 25,784,342.42
  4. Step 4: Simplify right side
    66,696,169.80x = 2,580,313,100,345,577.50
  5. Step 5: Solve for x
    x = 2,580,313,100,345,577.50/66,696,169.80
  6. Step 6: Final answer
    x = 38,687,575.43

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1.5x scale

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.