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Finding the Fourth Proportional to 173,867,720.40, 260,801,580.60 and 160,729,390.80

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Solution

The fourth proportional to 173,867,720.40, 260,801,580.60 and 160,729,390.80 is: 241,094,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,867,720.40 : 260,801,580.60 = 160,729,390.80 : x
  2. Step 2: Convert to fraction form
    173,867,720.40/260,801,580.60 = 160,729,390.80/x
  3. Step 3: Cross multiply
    173,867,720.40x = 260,801,580.60 × 160,729,390.80
  4. Step 4: Simplify right side
    173,867,720.40x = 41,918,479,169,515,104
  5. Step 5: Solve for x
    x = 41,918,479,169,515,104/173,867,720.40
  6. Step 6: Final answer
    x = 241,094,086.20

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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.