Home / 130,409,195.60-195,613,793.40-117,420,165.20

Finding the Fourth Proportional to 130,409,195.60, 195,613,793.40 and 117,420,165.20

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Solution

The fourth proportional to 130,409,195.60, 195,613,793.40 and 117,420,165.20 is: 176,130,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,195.60 : 195,613,793.40 = 117,420,165.20 : x
  2. Step 2: Convert to fraction form
    130,409,195.60/195,613,793.40 = 117,420,165.20/x
  3. Step 3: Cross multiply
    130,409,195.60x = 195,613,793.40 × 117,420,165.20
  4. Step 4: Simplify right side
    130,409,195.60x = 22,969,003,936,426,672
  5. Step 5: Solve for x
    x = 22,969,003,936,426,672/130,409,195.60
  6. Step 6: Final answer
    x = 176,130,247.80

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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.