Home / 146,726,211.80-220,082,319.30-49,672,400.60

Finding the Fourth Proportional to 146,726,211.80, 220,082,319.30 and 49,672,400.60

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Solution

The fourth proportional to 146,726,211.80, 220,082,319.30 and 49,672,400.60 is: 74,506,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726,211.80 : 220,082,319.30 = 49,672,400.60 : x
  2. Step 2: Convert to fraction form
    146,726,211.80/220,082,319.30 = 49,672,400.60/x
  3. Step 3: Cross multiply
    146,726,211.80x = 220,082,319.30 × 49,672,400.60
  4. Step 4: Simplify right side
    146,726,211.80x = 10,932,017,129,246,712
  5. Step 5: Solve for x
    x = 10,932,017,129,246,712/146,726,211.80
  6. Step 6: Final answer
    x = 74,506,231.68

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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.