Home / 148,344,847.20-222,363,743.40-66,502,933.20

Finding the Fourth Proportional to 148,344,847.20, 222,363,743.40 and 66,502,933.20

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Solution

The fourth proportional to 148,344,847.20, 222,363,743.40 and 66,502,933.20 is: 99,685,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,344,847.20 : 222,363,743.40 = 66,502,933.20 : x
  2. Step 2: Convert to fraction form
    148,344,847.20/222,363,743.40 = 66,502,933.20/x
  3. Step 3: Cross multiply
    148,344,847.20x = 222,363,743.40 × 66,502,933.20
  4. Step 4: Simplify right side
    148,344,847.20x = 14,787,841,173,432,142
  5. Step 5: Solve for x
    x = 14,787,841,173,432,142/148,344,847.20
  6. Step 6: Final answer
    x = 99,685,573.53

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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.