Home / 130,409,135.60-195,613,703.40-117,420,105.20

Finding the Fourth Proportional to 130,409,135.60, 195,613,703.40 and 117,420,105.20

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Solution

The fourth proportional to 130,409,135.60, 195,613,703.40 and 117,420,105.20 is: 176,130,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,135.60 : 195,613,703.40 = 117,420,105.20 : x
  2. Step 2: Convert to fraction form
    130,409,135.60/195,613,703.40 = 117,420,105.20/x
  3. Step 3: Cross multiply
    130,409,135.60x = 195,613,703.40 × 117,420,105.20
  4. Step 4: Simplify right side
    130,409,135.60x = 22,968,981,631,789,600
  5. Step 5: Solve for x
    x = 22,968,981,631,789,600/130,409,135.60
  6. Step 6: Final answer
    x = 176,130,157.80

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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.