Home / 49,208,029.20-73,812,043.80-18,916,880.40

Finding the Fourth Proportional to 49,208,029.20, 73,812,043.80 and 18,916,880.40

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Solution

The fourth proportional to 49,208,029.20, 73,812,043.80 and 18,916,880.40 is: 28,375,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,208,029.20 : 73,812,043.80 = 18,916,880.40 : x
  2. Step 2: Convert to fraction form
    49,208,029.20/73,812,043.80 = 18,916,880.40/x
  3. Step 3: Cross multiply
    49,208,029.20x = 73,812,043.80 × 18,916,880.40
  4. Step 4: Simplify right side
    49,208,029.20x = 1,396,293,604,644,161.25
  5. Step 5: Solve for x
    x = 1,396,293,604,644,161.25/49,208,029.20
  6. Step 6: Final answer
    x = 28,375,320.60

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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.