Home / 102,162,360-140,984,019.90-55,752,614.04

Finding the Fourth Proportional to 102,162,360, 140,984,019.90 and 55,752,614.04

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Solution

The fourth proportional to 102,162,360, 140,984,019.90 and 55,752,614.04 is: 76,938,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,162,360 : 140,984,019.90 = 55,752,614.04 : x
  2. Step 2: Convert to fraction form
    102,162,360/140,984,019.90 = 55,752,614.04/x
  3. Step 3: Cross multiply
    102,162,360x = 140,984,019.90 × 55,752,614.04
  4. Step 4: Simplify right side
    102,162,360x = 7,860,227,647,292,380
  5. Step 5: Solve for x
    x = 7,860,227,647,292,380/102,162,360
  6. Step 6: Final answer
    x = 76,938,587.24

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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.