Home / 155,913,969,997.85-215,155,710,554.51-88,247,107,261.13

Finding the Fourth Proportional to 155,913,969,997.85, 215,155,710,554.51 and 88,247,107,261.13

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Solution

The fourth proportional to 155,913,969,997.85, 215,155,710,554.51 and 88,247,107,261.13 is: 121,777,856,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913,969,997.85 : 215,155,710,554.51 = 88,247,107,261.13 : x
  2. Step 2: Convert to fraction form
    155,913,969,997.85/215,155,710,554.51 = 88,247,107,261.13/x
  3. Step 3: Cross multiply
    155,913,969,997.85x = 215,155,710,554.51 × 88,247,107,261.13
  4. Step 4: Simplify right side
    155,913,969,997.85x = 18,986,869,067,147,410,145,280
  5. Step 5: Solve for x
    x = 18,986,869,067,147,410,145,280/155,913,969,997.85
  6. Step 6: Final answer
    x = 121,777,856,515.42

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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.