Home / 261,784,191.31-361,264,675.45-144,313,734.76

Finding the Fourth Proportional to 261,784,191.31, 361,264,675.45 and 144,313,734.76

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Solution

The fourth proportional to 261,784,191.31, 361,264,675.45 and 144,313,734.76 is: 199,154,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,784,191.31 : 361,264,675.45 = 144,313,734.76 : x
  2. Step 2: Convert to fraction form
    261,784,191.31/361,264,675.45 = 144,313,734.76/x
  3. Step 3: Cross multiply
    261,784,191.31x = 361,264,675.45 × 144,313,734.76
  4. Step 4: Simplify right side
    261,784,191.31x = 52,135,454,551,048,776
  5. Step 5: Solve for x
    x = 52,135,454,551,048,776/261,784,191.31
  6. Step 6: Final answer
    x = 199,154,327.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.