Home / 49,532,281.20-74,307,279.15-20,781,323.10

Finding the Fourth Proportional to 49,532,281.20, 74,307,279.15 and 20,781,323.10

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Solution

The fourth proportional to 49,532,281.20, 74,307,279.15 and 20,781,323.10 is: 31,175,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,532,281.20 : 74,307,279.15 = 20,781,323.10 : x
  2. Step 2: Convert to fraction form
    49,532,281.20/74,307,279.15 = 20,781,323.10/x
  3. Step 3: Cross multiply
    49,532,281.20x = 74,307,279.15 × 20,781,323.10
  4. Step 4: Simplify right side
    49,532,281.20x = 1,544,203,576,698,043.50
  5. Step 5: Solve for x
    x = 1,544,203,576,698,043.50/49,532,281.20
  6. Step 6: Final answer
    x = 31,175,700.76

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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.