Home / 65,646,991.52-98,382,467.16-51,091,487.12

Finding the Fourth Proportional to 65,646,991.52, 98,382,467.16 and 51,091,487.12

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Solution

The fourth proportional to 65,646,991.52, 98,382,467.16 and 51,091,487.12 is: 76,568,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,646,991.52 : 98,382,467.16 = 51,091,487.12 : x
  2. Step 2: Convert to fraction form
    65,646,991.52/98,382,467.16 = 51,091,487.12/x
  3. Step 3: Cross multiply
    65,646,991.52x = 98,382,467.16 × 51,091,487.12
  4. Step 4: Simplify right side
    65,646,991.52x = 5,026,506,553,738,963
  5. Step 5: Solve for x
    x = 5,026,506,553,738,963/65,646,991.52
  6. Step 6: Final answer
    x = 76,568,726.72

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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.