Home / 97,680,231.40-146,520,347.10-40,213,744.60

Finding the Fourth Proportional to 97,680,231.40, 146,520,347.10 and 40,213,744.60

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Solution

The fourth proportional to 97,680,231.40, 146,520,347.10 and 40,213,744.60 is: 60,320,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,680,231.40 : 146,520,347.10 = 40,213,744.60 : x
  2. Step 2: Convert to fraction form
    97,680,231.40/146,520,347.10 = 40,213,744.60/x
  3. Step 3: Cross multiply
    97,680,231.40x = 146,520,347.10 × 40,213,744.60
  4. Step 4: Simplify right side
    97,680,231.40x = 5,892,131,816,982,751
  5. Step 5: Solve for x
    x = 5,892,131,816,982,751/97,680,231.40
  6. Step 6: Final answer
    x = 60,320,616.90

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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.