Home / 265,721,131.20-398,581,696.80-162,409,000.80

Finding the Fourth Proportional to 265,721,131.20, 398,581,696.80 and 162,409,000.80

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Solution

The fourth proportional to 265,721,131.20, 398,581,696.80 and 162,409,000.80 is: 243,613,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,131.20 : 398,581,696.80 = 162,409,000.80 : x
  2. Step 2: Convert to fraction form
    265,721,131.20/398,581,696.80 = 162,409,000.80/x
  3. Step 3: Cross multiply
    265,721,131.20x = 398,581,696.80 × 162,409,000.80
  4. Step 4: Simplify right side
    265,721,131.20x = 64,733,255,114,456,568
  5. Step 5: Solve for x
    x = 64,733,255,114,456,568/265,721,131.20
  6. Step 6: Final answer
    x = 243,613,501.20

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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.