Home / 114,719,587.20-172,079,380.80-105,649,660.80

Finding the Fourth Proportional to 114,719,587.20, 172,079,380.80 and 105,649,660.80

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Solution

The fourth proportional to 114,719,587.20, 172,079,380.80 and 105,649,660.80 is: 158,474,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,719,587.20 : 172,079,380.80 = 105,649,660.80 : x
  2. Step 2: Convert to fraction form
    114,719,587.20/172,079,380.80 = 105,649,660.80/x
  3. Step 3: Cross multiply
    114,719,587.20x = 172,079,380.80 × 105,649,660.80
  4. Step 4: Simplify right side
    114,719,587.20x = 18,180,128,212,194,032
  5. Step 5: Solve for x
    x = 18,180,128,212,194,032/114,719,587.20
  6. Step 6: Final answer
    x = 158,474,491.20

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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.