Home / 49,921,446.20-74,846,739.90-19,204,156.40

Finding the Fourth Proportional to 49,921,446.20, 74,846,739.90 and 19,204,156.40

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Solution

The fourth proportional to 49,921,446.20, 74,846,739.90 and 19,204,156.40 is: 28,792,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,446.20 : 74,846,739.90 = 19,204,156.40 : x
  2. Step 2: Convert to fraction form
    49,921,446.20/74,846,739.90 = 19,204,156.40/x
  3. Step 3: Cross multiply
    49,921,446.20x = 74,846,739.90 × 19,204,156.40
  4. Step 4: Simplify right side
    49,921,446.20x = 1,437,368,499,069,720.25
  5. Step 5: Solve for x
    x = 1,437,368,499,069,720.25/49,921,446.20
  6. Step 6: Final answer
    x = 28,792,605.35

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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.