Home / 261,916,481.34-392,766,629.49-89,407,189.80

Finding the Fourth Proportional to 261,916,481.34, 392,766,629.49 and 89,407,189.80

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Solution

The fourth proportional to 261,916,481.34, 392,766,629.49 and 89,407,189.80 is: 134,073,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,916,481.34 : 392,766,629.49 = 89,407,189.80 : x
  2. Step 2: Convert to fraction form
    261,916,481.34/392,766,629.49 = 89,407,189.80/x
  3. Step 3: Cross multiply
    261,916,481.34x = 392,766,629.49 × 89,407,189.80
  4. Step 4: Simplify right side
    261,916,481.34x = 35,116,160,589,918,708
  5. Step 5: Solve for x
    x = 35,116,160,589,918,708/261,916,481.34
  6. Step 6: Final answer
    x = 134,073,886.49

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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.