Home / 59,289,940.12-81,755,144.20-38,625,064.60

Finding the Fourth Proportional to 59,289,940.12, 81,755,144.20 and 38,625,064.60

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Solution

The fourth proportional to 59,289,940.12, 81,755,144.20 and 38,625,064.60 is: 53,260,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,289,940.12 : 81,755,144.20 = 38,625,064.60 : x
  2. Step 2: Convert to fraction form
    59,289,940.12/81,755,144.20 = 38,625,064.60/x
  3. Step 3: Cross multiply
    59,289,940.12x = 81,755,144.20 × 38,625,064.60
  4. Step 4: Simplify right side
    59,289,940.12x = 3,157,797,726,107,315.50
  5. Step 5: Solve for x
    x = 3,157,797,726,107,315.50/59,289,940.12
  6. Step 6: Final answer
    x = 53,260,261.69

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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.