Home / 54,453,923.40-81,680,885.10-54,135,058.80

Finding the Fourth Proportional to 54,453,923.40, 81,680,885.10 and 54,135,058.80

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Solution

The fourth proportional to 54,453,923.40, 81,680,885.10 and 54,135,058.80 is: 81,202,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453,923.40 : 81,680,885.10 = 54,135,058.80 : x
  2. Step 2: Convert to fraction form
    54,453,923.40/81,680,885.10 = 54,135,058.80/x
  3. Step 3: Cross multiply
    54,453,923.40x = 81,680,885.10 × 54,135,058.80
  4. Step 4: Simplify right side
    54,453,923.40x = 4,421,799,517,724,543.50
  5. Step 5: Solve for x
    x = 4,421,799,517,724,543.50/54,453,923.40
  6. Step 6: Final answer
    x = 81,202,588.20

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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.