Home / 261,719,865.23-361,187,617.43-150,209,814.53

Finding the Fourth Proportional to 261,719,865.23, 361,187,617.43 and 150,209,814.53

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Solution

The fourth proportional to 261,719,865.23, 361,187,617.43 and 150,209,814.53 is: 207,297,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,719,865.23 : 361,187,617.43 = 150,209,814.53 : x
  2. Step 2: Convert to fraction form
    261,719,865.23/361,187,617.43 = 150,209,814.53/x
  3. Step 3: Cross multiply
    261,719,865.23x = 361,187,617.43 × 150,209,814.53
  4. Step 4: Simplify right side
    261,719,865.23x = 54,253,925,023,941,848
  5. Step 5: Solve for x
    x = 54,253,925,023,941,848/261,719,865.23
  6. Step 6: Final answer
    x = 207,297,695.86

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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.