Home / 101,341,168.36-139,847,065.62-54,930,425.80

Finding the Fourth Proportional to 101,341,168.36, 139,847,065.62 and 54,930,425.80

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Solution

The fourth proportional to 101,341,168.36, 139,847,065.62 and 54,930,425.80 is: 75,801,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,341,168.36 : 139,847,065.62 = 54,930,425.80 : x
  2. Step 2: Convert to fraction form
    101,341,168.36/139,847,065.62 = 54,930,425.80/x
  3. Step 3: Cross multiply
    101,341,168.36x = 139,847,065.62 × 54,930,425.80
  4. Step 4: Simplify right side
    101,341,168.36x = 7,681,858,861,387,141
  5. Step 5: Solve for x
    x = 7,681,858,861,387,141/101,341,168.36
  6. Step 6: Final answer
    x = 75,801,956.75

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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.