Home / 90,835,216.20-136,284,317.10-39,753,894.60

Finding the Fourth Proportional to 90,835,216.20, 136,284,317.10 and 39,753,894.60

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Solution

The fourth proportional to 90,835,216.20, 136,284,317.10 and 39,753,894.60 is: 59,644,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,835,216.20 : 136,284,317.10 = 39,753,894.60 : x
  2. Step 2: Convert to fraction form
    90,835,216.20/136,284,317.10 = 39,753,894.60/x
  3. Step 3: Cross multiply
    90,835,216.20x = 136,284,317.10 × 39,753,894.60
  4. Step 4: Simplify right side
    90,835,216.20x = 5,417,832,377,626,378
  5. Step 5: Solve for x
    x = 5,417,832,377,626,378/90,835,216.20
  6. Step 6: Final answer
    x = 59,644,624.68

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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.