Home / 54,453,540.40-81,680,310.60-54,134,675.80

Finding the Fourth Proportional to 54,453,540.40, 81,680,310.60 and 54,134,675.80

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Solution

The fourth proportional to 54,453,540.40, 81,680,310.60 and 54,134,675.80 is: 81,202,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453,540.40 : 81,680,310.60 = 54,134,675.80 : x
  2. Step 2: Convert to fraction form
    54,453,540.40/81,680,310.60 = 54,134,675.80/x
  3. Step 3: Cross multiply
    54,453,540.40x = 81,680,310.60 × 54,134,675.80
  4. Step 4: Simplify right side
    54,453,540.40x = 4,421,737,133,574,303
  5. Step 5: Solve for x
    x = 4,421,737,133,574,303/54,453,540.40
  6. Step 6: Final answer
    x = 81,202,013.70

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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.