Home / 84,018,410.28-115,943,801.22-47,348,245.80

Finding the Fourth Proportional to 84,018,410.28, 115,943,801.22 and 47,348,245.80

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Solution

The fourth proportional to 84,018,410.28, 115,943,801.22 and 47,348,245.80 is: 65,339,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018,410.28 : 115,943,801.22 = 47,348,245.80 : x
  2. Step 2: Convert to fraction form
    84,018,410.28/115,943,801.22 = 47,348,245.80/x
  3. Step 3: Cross multiply
    84,018,410.28x = 115,943,801.22 × 47,348,245.80
  4. Step 4: Simplify right side
    84,018,410.28x = 5,489,735,599,150,899
  5. Step 5: Solve for x
    x = 5,489,735,599,150,899/84,018,410.28
  6. Step 6: Final answer
    x = 65,339,674.73

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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.