Home / 85,210,327.20-127,815,490.80-27,704,474.40

Finding the Fourth Proportional to 85,210,327.20, 127,815,490.80 and 27,704,474.40

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Solution

The fourth proportional to 85,210,327.20, 127,815,490.80 and 27,704,474.40 is: 41,556,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,210,327.20 : 127,815,490.80 = 27,704,474.40 : x
  2. Step 2: Convert to fraction form
    85,210,327.20/127,815,490.80 = 27,704,474.40/x
  3. Step 3: Cross multiply
    85,210,327.20x = 127,815,490.80 × 27,704,474.40
  4. Step 4: Simplify right side
    85,210,327.20x = 3,541,060,992,792,035
  5. Step 5: Solve for x
    x = 3,541,060,992,792,035/85,210,327.20
  6. Step 6: Final answer
    x = 41,556,711.60

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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.