Home / 207,360,945.60-311,041,418.40-153,613,233.60

Finding the Fourth Proportional to 207,360,945.60, 311,041,418.40 and 153,613,233.60

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Solution

The fourth proportional to 207,360,945.60, 311,041,418.40 and 153,613,233.60 is: 230,419,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360,945.60 : 311,041,418.40 = 153,613,233.60 : x
  2. Step 2: Convert to fraction form
    207,360,945.60/311,041,418.40 = 153,613,233.60/x
  3. Step 3: Cross multiply
    207,360,945.60x = 311,041,418.40 × 153,613,233.60
  4. Step 4: Simplify right side
    207,360,945.60x = 47,780,078,063,954,536
  5. Step 5: Solve for x
    x = 47,780,078,063,954,536/207,360,945.60
  6. Step 6: Final answer
    x = 230,419,850.40

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1.5x scale

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.