Home / 124,126,853.20-186,274,260.60-55,934,443.60

Finding the Fourth Proportional to 124,126,853.20, 186,274,260.60 and 55,934,443.60

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Solution

The fourth proportional to 124,126,853.20, 186,274,260.60 and 55,934,443.60 is: 83,939,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,126,853.20 : 186,274,260.60 = 55,934,443.60 : x
  2. Step 2: Convert to fraction form
    124,126,853.20/186,274,260.60 = 55,934,443.60/x
  3. Step 3: Cross multiply
    124,126,853.20x = 186,274,260.60 × 55,934,443.60
  4. Step 4: Simplify right side
    124,126,853.20x = 10,419,147,123,662,402
  5. Step 5: Solve for x
    x = 10,419,147,123,662,402/124,126,853.20
  6. Step 6: Final answer
    x = 83,939,509.10

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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.