Home / 213,617,516.80-320,426,275.20-132,995,948.80

Finding the Fourth Proportional to 213,617,516.80, 320,426,275.20 and 132,995,948.80

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Solution

The fourth proportional to 213,617,516.80, 320,426,275.20 and 132,995,948.80 is: 199,493,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,617,516.80 : 320,426,275.20 = 132,995,948.80 : x
  2. Step 2: Convert to fraction form
    213,617,516.80/320,426,275.20 = 132,995,948.80/x
  3. Step 3: Cross multiply
    213,617,516.80x = 320,426,275.20 × 132,995,948.80
  4. Step 4: Simplify right side
    213,617,516.80x = 42,615,396,490,673,904
  5. Step 5: Solve for x
    x = 42,615,396,490,673,904/213,617,516.80
  6. Step 6: Final answer
    x = 199,493,923.20

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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.