Home / 261,916,474.59-392,766,619.41-89,407,183.05

Finding the Fourth Proportional to 261,916,474.59, 392,766,619.41 and 89,407,183.05

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Solution

The fourth proportional to 261,916,474.59, 392,766,619.41 and 89,407,183.05 is: 134,073,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,916,474.59 : 392,766,619.41 = 89,407,183.05 : x
  2. Step 2: Convert to fraction form
    261,916,474.59/392,766,619.41 = 89,407,183.05/x
  3. Step 3: Cross multiply
    261,916,474.59x = 392,766,619.41 × 89,407,183.05
  4. Step 4: Simplify right side
    261,916,474.59x = 35,116,157,037,519,556
  5. Step 5: Solve for x
    x = 35,116,157,037,519,556/261,916,474.59
  6. Step 6: Final answer
    x = 134,073,876.39

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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.