Home / 85,177,612.20-127,766,418.30-52,865,999.40

Finding the Fourth Proportional to 85,177,612.20, 127,766,418.30 and 52,865,999.40

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Solution

The fourth proportional to 85,177,612.20, 127,766,418.30 and 52,865,999.40 is: 79,298,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,612.20 : 127,766,418.30 = 52,865,999.40 : x
  2. Step 2: Convert to fraction form
    85,177,612.20/127,766,418.30 = 52,865,999.40/x
  3. Step 3: Cross multiply
    85,177,612.20x = 127,766,418.30 × 52,865,999.40
  4. Step 4: Simplify right side
    85,177,612.20x = 6,754,499,393,187,949
  5. Step 5: Solve for x
    x = 6,754,499,393,187,949/85,177,612.20
  6. Step 6: Final answer
    x = 79,298,999.10

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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.