Home / 65,646,919.40-98,382,359.10-51,091,414.88

Finding the Fourth Proportional to 65,646,919.40, 98,382,359.10 and 51,091,414.88

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Solution

The fourth proportional to 65,646,919.40, 98,382,359.10 and 51,091,414.88 is: 76,568,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,646,919.40 : 98,382,359.10 = 51,091,414.88 : x
  2. Step 2: Convert to fraction form
    65,646,919.40/98,382,359.10 = 51,091,414.88/x
  3. Step 3: Cross multiply
    65,646,919.40x = 98,382,359.10 × 51,091,414.88
  4. Step 4: Simplify right side
    65,646,919.40x = 5,026,493,925,651,243
  5. Step 5: Solve for x
    x = 5,026,493,925,651,243/65,646,919.40
  6. Step 6: Final answer
    x = 76,568,618.48

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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.