Home / 74,715,091.20-103,091,149.44-45,361,877.04

Finding the Fourth Proportional to 74,715,091.20, 103,091,149.44 and 45,361,877.04

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Solution

The fourth proportional to 74,715,091.20, 103,091,149.44 and 45,361,877.04 is: 62,589,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,715,091.20 : 103,091,149.44 = 45,361,877.04 : x
  2. Step 2: Convert to fraction form
    74,715,091.20/103,091,149.44 = 45,361,877.04/x
  3. Step 3: Cross multiply
    74,715,091.20x = 103,091,149.44 × 45,361,877.04
  4. Step 4: Simplify right side
    74,715,091.20x = 4,676,408,044,809,545
  5. Step 5: Solve for x
    x = 4,676,408,044,809,545/74,715,091.20
  6. Step 6: Final answer
    x = 62,589,872.67

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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.