Home / 129,028,697.60-193,543,046.40-118,727,052.80

Finding the Fourth Proportional to 129,028,697.60, 193,543,046.40 and 118,727,052.80

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Solution

The fourth proportional to 129,028,697.60, 193,543,046.40 and 118,727,052.80 is: 178,090,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028,697.60 : 193,543,046.40 = 118,727,052.80 : x
  2. Step 2: Convert to fraction form
    129,028,697.60/193,543,046.40 = 118,727,052.80/x
  3. Step 3: Cross multiply
    129,028,697.60x = 193,543,046.40 × 118,727,052.80
  4. Step 4: Simplify right side
    129,028,697.60x = 22,978,795,489,005,652
  5. Step 5: Solve for x
    x = 22,978,795,489,005,652/129,028,697.60
  6. Step 6: Final answer
    x = 178,090,579.20

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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.