Home / 74,668,868.20-111,936,947.10-49,122,116.20

Finding the Fourth Proportional to 74,668,868.20, 111,936,947.10 and 49,122,116.20

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Solution

The fourth proportional to 74,668,868.20, 111,936,947.10 and 49,122,116.20 is: 73,639,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668,868.20 : 111,936,947.10 = 49,122,116.20 : x
  2. Step 2: Convert to fraction form
    74,668,868.20/111,936,947.10 = 49,122,116.20/x
  3. Step 3: Cross multiply
    74,668,868.20x = 111,936,947.10 × 49,122,116.20
  4. Step 4: Simplify right side
    74,668,868.20x = 5,498,579,722,519,453
  5. Step 5: Solve for x
    x = 5,498,579,722,519,453/74,668,868.20
  6. Step 6: Final answer
    x = 73,639,521.46

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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.