Home / 54,450,047.40-81,675,071.10-20,366,964.60

Finding the Fourth Proportional to 54,450,047.40, 81,675,071.10 and 20,366,964.60

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Solution

The fourth proportional to 54,450,047.40, 81,675,071.10 and 20,366,964.60 is: 30,550,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450,047.40 : 81,675,071.10 = 20,366,964.60 : x
  2. Step 2: Convert to fraction form
    54,450,047.40/81,675,071.10 = 20,366,964.60/x
  3. Step 3: Cross multiply
    54,450,047.40x = 81,675,071.10 × 20,366,964.60
  4. Step 4: Simplify right side
    54,450,047.40x = 1,663,473,281,796,183
  5. Step 5: Solve for x
    x = 1,663,473,281,796,183/54,450,047.40
  6. Step 6: Final answer
    x = 30,550,446.90

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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.