Home / 146,697,631.20-220,188,164.40-89,302,003.20

Finding the Fourth Proportional to 146,697,631.20, 220,188,164.40 and 89,302,003.20

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Solution

The fourth proportional to 146,697,631.20, 220,188,164.40 and 89,302,003.20 is: 134,039,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,697,631.20 : 220,188,164.40 = 89,302,003.20 : x
  2. Step 2: Convert to fraction form
    146,697,631.20/220,188,164.40 = 89,302,003.20/x
  3. Step 3: Cross multiply
    146,697,631.20x = 220,188,164.40 × 89,302,003.20
  4. Step 4: Simplify right side
    146,697,631.20x = 19,663,244,161,850,928
  5. Step 5: Solve for x
    x = 19,663,244,161,850,928/146,697,631.20
  6. Step 6: Final answer
    x = 134,039,275.22

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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.