Home / 130,132,879.20-195,063,122.16-43,841,466.72

Finding the Fourth Proportional to 130,132,879.20, 195,063,122.16 and 43,841,466.72

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Solution

The fourth proportional to 130,132,879.20, 195,063,122.16 and 43,841,466.72 is: 65,716,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,132,879.20 : 195,063,122.16 = 43,841,466.72 : x
  2. Step 2: Convert to fraction form
    130,132,879.20/195,063,122.16 = 43,841,466.72/x
  3. Step 3: Cross multiply
    130,132,879.20x = 195,063,122.16 × 43,841,466.72
  4. Step 4: Simplify right side
    130,132,879.20x = 8,551,853,378,476,934
  5. Step 5: Solve for x
    x = 8,551,853,378,476,934/130,132,879.20
  6. Step 6: Final answer
    x = 65,716,315.75

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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.