Home / 49,919,947.20-74,879,920.80-28,346,212.80

Finding the Fourth Proportional to 49,919,947.20, 74,879,920.80 and 28,346,212.80

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Solution

The fourth proportional to 49,919,947.20, 74,879,920.80 and 28,346,212.80 is: 42,519,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919,947.20 : 74,879,920.80 = 28,346,212.80 : x
  2. Step 2: Convert to fraction form
    49,919,947.20/74,879,920.80 = 28,346,212.80/x
  3. Step 3: Cross multiply
    49,919,947.20x = 74,879,920.80 × 28,346,212.80
  4. Step 4: Simplify right side
    49,919,947.20x = 2,122,562,169,443,946.25
  5. Step 5: Solve for x
    x = 2,122,562,169,443,946.25/49,919,947.20
  6. Step 6: Final answer
    x = 42,519,319.20

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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.