Home / 98,297,898-135,651,157.60-54,837,834

Finding the Fourth Proportional to 98,297,898, 135,651,157.60 and 54,837,834

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Solution

The fourth proportional to 98,297,898, 135,651,157.60 and 54,837,834 is: 75,676,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297,898 : 135,651,157.60 = 54,837,834 : x
  2. Step 2: Convert to fraction form
    98,297,898/135,651,157.60 = 54,837,834/x
  3. Step 3: Cross multiply
    98,297,898x = 135,651,157.60 × 54,837,834
  4. Step 4: Simplify right side
    98,297,898x = 7,438,815,662,376,638
  5. Step 5: Solve for x
    x = 7,438,815,662,376,638/98,297,898
  6. Step 6: Final answer
    x = 75,676,243.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.