Home / 38,645,760.60-57,968,640.90-36,987,139.80

Finding the Fourth Proportional to 38,645,760.60, 57,968,640.90 and 36,987,139.80

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Solution

The fourth proportional to 38,645,760.60, 57,968,640.90 and 36,987,139.80 is: 55,480,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645,760.60 : 57,968,640.90 = 36,987,139.80 : x
  2. Step 2: Convert to fraction form
    38,645,760.60/57,968,640.90 = 36,987,139.80/x
  3. Step 3: Cross multiply
    38,645,760.60x = 57,968,640.90 × 36,987,139.80
  4. Step 4: Simplify right side
    38,645,760.60x = 2,144,094,224,984,297.50
  5. Step 5: Solve for x
    x = 2,144,094,224,984,297.50/38,645,760.60
  6. Step 6: Final answer
    x = 55,480,709.70

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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.