Home / 217,284,335.20-325,926,502.80-166,265,999.20

Finding the Fourth Proportional to 217,284,335.20, 325,926,502.80 and 166,265,999.20

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Solution

The fourth proportional to 217,284,335.20, 325,926,502.80 and 166,265,999.20 is: 249,398,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,284,335.20 : 325,926,502.80 = 166,265,999.20 : x
  2. Step 2: Convert to fraction form
    217,284,335.20/325,926,502.80 = 166,265,999.20/x
  3. Step 3: Cross multiply
    217,284,335.20x = 325,926,502.80 × 166,265,999.20
  4. Step 4: Simplify right side
    217,284,335.20x = 54,190,495,653,803,592
  5. Step 5: Solve for x
    x = 54,190,495,653,803,592/217,284,335.20
  6. Step 6: Final answer
    x = 249,398,998.80

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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.