Home / 327,063,971.16-490,663,666.26-132,975,419.40

Finding the Fourth Proportional to 327,063,971.16, 490,663,666.26 and 132,975,419.40

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Solution

The fourth proportional to 327,063,971.16, 490,663,666.26 and 132,975,419.40 is: 199,490,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,063,971.16 : 490,663,666.26 = 132,975,419.40 : x
  2. Step 2: Convert to fraction form
    327,063,971.16/490,663,666.26 = 132,975,419.40/x
  3. Step 3: Cross multiply
    327,063,971.16x = 490,663,666.26 × 132,975,419.40
  4. Step 4: Simplify right side
    327,063,971.16x = 65,246,206,805,265,128
  5. Step 5: Solve for x
    x = 65,246,206,805,265,128/327,063,971.16
  6. Step 6: Final answer
    x = 199,490,657.97

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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.