Home / 54,450,043.40-81,675,065.10-20,366,960.60

Finding the Fourth Proportional to 54,450,043.40, 81,675,065.10 and 20,366,960.60

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Solution

The fourth proportional to 54,450,043.40, 81,675,065.10 and 20,366,960.60 is: 30,550,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450,043.40 : 81,675,065.10 = 20,366,960.60 : x
  2. Step 2: Convert to fraction form
    54,450,043.40/81,675,065.10 = 20,366,960.60/x
  3. Step 3: Cross multiply
    54,450,043.40x = 81,675,065.10 × 20,366,960.60
  4. Step 4: Simplify right side
    54,450,043.40x = 1,663,472,832,894,135
  5. Step 5: Solve for x
    x = 1,663,472,832,894,135/54,450,043.40
  6. Step 6: Final answer
    x = 30,550,440.90

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1.5x scale

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.