Home / 94,637,601.12-130,481,552.88-78,979,147.68

Finding the Fourth Proportional to 94,637,601.12, 130,481,552.88 and 78,979,147.68

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Solution

The fourth proportional to 94,637,601.12, 130,481,552.88 and 78,979,147.68 is: 108,892,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,637,601.12 : 130,481,552.88 = 78,979,147.68 : x
  2. Step 2: Convert to fraction form
    94,637,601.12/130,481,552.88 = 78,979,147.68/x
  3. Step 3: Cross multiply
    94,637,601.12x = 130,481,552.88 × 78,979,147.68
  4. Step 4: Simplify right side
    94,637,601.12x = 10,305,321,834,425,250
  5. Step 5: Solve for x
    x = 10,305,321,834,425,250/94,637,601.12
  6. Step 6: Final answer
    x = 108,892,466.76

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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.