Home / 83,595,103.80-125,392,655.70-45,331,351.80

Finding the Fourth Proportional to 83,595,103.80, 125,392,655.70 and 45,331,351.80

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Solution

The fourth proportional to 83,595,103.80, 125,392,655.70 and 45,331,351.80 is: 67,997,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595,103.80 : 125,392,655.70 = 45,331,351.80 : x
  2. Step 2: Convert to fraction form
    83,595,103.80/125,392,655.70 = 45,331,351.80/x
  3. Step 3: Cross multiply
    83,595,103.80x = 125,392,655.70 × 45,331,351.80
  4. Step 4: Simplify right side
    83,595,103.80x = 5,684,218,588,672,975
  5. Step 5: Solve for x
    x = 5,684,218,588,672,975/83,595,103.80
  6. Step 6: Final answer
    x = 67,997,027.70

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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.