Home / 261,249,180.12-392,115,907.53-131,947,593.84

Finding the Fourth Proportional to 261,249,180.12, 392,115,907.53 and 131,947,593.84

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Solution

The fourth proportional to 261,249,180.12, 392,115,907.53 and 131,947,593.84 is: 198,043,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,249,180.12 : 392,115,907.53 = 131,947,593.84 : x
  2. Step 2: Convert to fraction form
    261,249,180.12/392,115,907.53 = 131,947,593.84/x
  3. Step 3: Cross multiply
    261,249,180.12x = 392,115,907.53 × 131,947,593.84
  4. Step 4: Simplify right side
    261,249,180.12x = 51,738,750,504,971,432
  5. Step 5: Solve for x
    x = 51,738,750,504,971,432/261,249,180.12
  6. Step 6: Final answer
    x = 198,043,685.65

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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.