Home / 261,718,361.51-361,170,247.49-144,243,411.38

Finding the Fourth Proportional to 261,718,361.51, 361,170,247.49 and 144,243,411.38

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Solution

The fourth proportional to 261,718,361.51, 361,170,247.49 and 144,243,411.38 is: 199,055,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,718,361.51 : 361,170,247.49 = 144,243,411.38 : x
  2. Step 2: Convert to fraction form
    261,718,361.51/361,170,247.49 = 144,243,411.38/x
  3. Step 3: Cross multiply
    261,718,361.51x = 361,170,247.49 × 144,243,411.38
  4. Step 4: Simplify right side
    261,718,361.51x = 52,096,428,584,389,416
  5. Step 5: Solve for x
    x = 52,096,428,584,389,416/261,718,361.51
  6. Step 6: Final answer
    x = 199,055,306.19

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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.