Home / 261,370,563.15-360,677,685.90-143,872,943.86

Finding the Fourth Proportional to 261,370,563.15, 360,677,685.90 and 143,872,943.86

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Solution

The fourth proportional to 261,370,563.15, 360,677,685.90 and 143,872,943.86 is: 198,537,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,370,563.15 : 360,677,685.90 = 143,872,943.86 : x
  2. Step 2: Convert to fraction form
    261,370,563.15/360,677,685.90 = 143,872,943.86/x
  3. Step 3: Cross multiply
    261,370,563.15x = 360,677,685.90 × 143,872,943.86
  4. Step 4: Simplify right side
    261,370,563.15x = 51,891,760,454,413,696
  5. Step 5: Solve for x
    x = 51,891,760,454,413,696/261,370,563.15
  6. Step 6: Final answer
    x = 198,537,126.10

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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.