Home / 115,912,008.60-173,868,012.90-107,153,122.20

Finding the Fourth Proportional to 115,912,008.60, 173,868,012.90 and 107,153,122.20

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Solution

The fourth proportional to 115,912,008.60, 173,868,012.90 and 107,153,122.20 is: 160,729,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,008.60 : 173,868,012.90 = 107,153,122.20 : x
  2. Step 2: Convert to fraction form
    115,912,008.60/173,868,012.90 = 107,153,122.20/x
  3. Step 3: Cross multiply
    115,912,008.60x = 173,868,012.90 × 107,153,122.20
  4. Step 4: Simplify right side
    115,912,008.60x = 18,630,500,432,944,876
  5. Step 5: Solve for x
    x = 18,630,500,432,944,876/115,912,008.60
  6. Step 6: Final answer
    x = 160,729,683.30

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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.