Home / 74,248,869.70-111,329,017.80-45,515,626.30

Finding the Fourth Proportional to 74,248,869.70, 111,329,017.80 and 45,515,626.30

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Solution

The fourth proportional to 74,248,869.70, 111,329,017.80 and 45,515,626.30 is: 68,246,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248,869.70 : 111,329,017.80 = 45,515,626.30 : x
  2. Step 2: Convert to fraction form
    74,248,869.70/111,329,017.80 = 45,515,626.30/x
  3. Step 3: Cross multiply
    74,248,869.70x = 111,329,017.80 × 45,515,626.30
  4. Step 4: Simplify right side
    74,248,869.70x = 5,067,209,970,530,848
  5. Step 5: Solve for x
    x = 5,067,209,970,530,848/74,248,869.70
  6. Step 6: Final answer
    x = 68,246,291.03

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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.