Home / 146,641,243.20-220,103,582.40-89,245,615.20

Finding the Fourth Proportional to 146,641,243.20, 220,103,582.40 and 89,245,615.20

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Solution

The fourth proportional to 146,641,243.20, 220,103,582.40 and 89,245,615.20 is: 133,954,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,641,243.20 : 220,103,582.40 = 89,245,615.20 : x
  2. Step 2: Convert to fraction form
    146,641,243.20/220,103,582.40 = 89,245,615.20/x
  3. Step 3: Cross multiply
    146,641,243.20x = 220,103,582.40 × 89,245,615.20
  4. Step 4: Simplify right side
    146,641,243.20x = 19,643,279,619,011,892
  5. Step 5: Solve for x
    x = 19,643,279,619,011,892/146,641,243.20
  6. Step 6: Final answer
    x = 133,954,671.89

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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.