Home / 65,646,993.30-98,382,470.48-51,091,488.91

Finding the Fourth Proportional to 65,646,993.30, 98,382,470.48 and 51,091,488.91

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Solution

The fourth proportional to 65,646,993.30, 98,382,470.48 and 51,091,488.91 is: 76,568,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,646,993.30 : 98,382,470.48 = 51,091,488.91 : x
  2. Step 2: Convert to fraction form
    65,646,993.30/98,382,470.48 = 51,091,488.91/x
  3. Step 3: Cross multiply
    65,646,993.30x = 98,382,470.48 × 51,091,488.91
  4. Step 4: Simplify right side
    65,646,993.30x = 5,026,506,899,467,322
  5. Step 5: Solve for x
    x = 5,026,506,899,467,322/65,646,993.30
  6. Step 6: Final answer
    x = 76,568,729.91

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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.