Home / 146,905,390.80-220,169,129.40-89,336,552.40

Finding the Fourth Proportional to 146,905,390.80, 220,169,129.40 and 89,336,552.40

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Solution

The fourth proportional to 146,905,390.80, 220,169,129.40 and 89,336,552.40 is: 133,889,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,905,390.80 : 220,169,129.40 = 89,336,552.40 : x
  2. Step 2: Convert to fraction form
    146,905,390.80/220,169,129.40 = 89,336,552.40/x
  3. Step 3: Cross multiply
    146,905,390.80x = 220,169,129.40 × 89,336,552.40
  4. Step 4: Simplify right side
    146,905,390.80x = 19,669,150,965,505,484
  5. Step 5: Solve for x
    x = 19,669,150,965,505,484/146,905,390.80
  6. Step 6: Final answer
    x = 133,889,919.62

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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.