Home / 67,085,125.20-100,627,687.80-45,586,040.40

Finding the Fourth Proportional to 67,085,125.20, 100,627,687.80 and 45,586,040.40

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Solution

The fourth proportional to 67,085,125.20, 100,627,687.80 and 45,586,040.40 is: 68,379,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,085,125.20 : 100,627,687.80 = 45,586,040.40 : x
  2. Step 2: Convert to fraction form
    67,085,125.20/100,627,687.80 = 45,586,040.40/x
  3. Step 3: Cross multiply
    67,085,125.20x = 100,627,687.80 × 45,586,040.40
  4. Step 4: Simplify right side
    67,085,125.20x = 4,587,217,841,409,387
  5. Step 5: Solve for x
    x = 4,587,217,841,409,387/67,085,125.20
  6. Step 6: Final answer
    x = 68,379,060.60

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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.