Home / 170,747,936.07-256,083,571.35-78,543,119.40

Finding the Fourth Proportional to 170,747,936.07, 256,083,571.35 and 78,543,119.40

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Solution

The fourth proportional to 170,747,936.07, 256,083,571.35 and 78,543,119.40 is: 117,797,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,747,936.07 : 256,083,571.35 = 78,543,119.40 : x
  2. Step 2: Convert to fraction form
    170,747,936.07/256,083,571.35 = 78,543,119.40/x
  3. Step 3: Cross multiply
    170,747,936.07x = 256,083,571.35 × 78,543,119.40
  4. Step 4: Simplify right side
    170,747,936.07x = 20,113,602,520,921,472
  5. Step 5: Solve for x
    x = 20,113,602,520,921,472/170,747,936.07
  6. Step 6: Final answer
    x = 117,797,046.24

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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.