Home / 54,306,036.30-81,459,054.45-20,220,329.10

Finding the Fourth Proportional to 54,306,036.30, 81,459,054.45 and 20,220,329.10

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Solution

The fourth proportional to 54,306,036.30, 81,459,054.45 and 20,220,329.10 is: 30,330,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306,036.30 : 81,459,054.45 = 20,220,329.10 : x
  2. Step 2: Convert to fraction form
    54,306,036.30/81,459,054.45 = 20,220,329.10/x
  3. Step 3: Cross multiply
    54,306,036.30x = 81,459,054.45 × 20,220,329.10
  4. Step 4: Simplify right side
    54,306,036.30x = 1,647,128,889,153,819.75
  5. Step 5: Solve for x
    x = 1,647,128,889,153,819.75/54,306,036.30
  6. Step 6: Final answer
    x = 30,330,493.65

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Double scale
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Similar ratio
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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.