Home / 90,695,537.10-136,043,305.65-49,739,150.70

Finding the Fourth Proportional to 90,695,537.10, 136,043,305.65 and 49,739,150.70

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Solution

The fourth proportional to 90,695,537.10, 136,043,305.65 and 49,739,150.70 is: 74,608,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,695,537.10 : 136,043,305.65 = 49,739,150.70 : x
  2. Step 2: Convert to fraction form
    90,695,537.10/136,043,305.65 = 49,739,150.70/x
  3. Step 3: Cross multiply
    90,695,537.10x = 136,043,305.65 × 49,739,150.70
  4. Step 4: Simplify right side
    90,695,537.10x = 6,766,678,481,451,512
  5. Step 5: Solve for x
    x = 6,766,678,481,451,512/90,695,537.10
  6. Step 6: Final answer
    x = 74,608,726.05

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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.