Home / 65,646,992.30-98,382,468.98-51,091,487.91

Finding the Fourth Proportional to 65,646,992.30, 98,382,468.98 and 51,091,487.91

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Solution

The fourth proportional to 65,646,992.30, 98,382,468.98 and 51,091,487.91 is: 76,568,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,646,992.30 : 98,382,468.98 = 51,091,487.91 : x
  2. Step 2: Convert to fraction form
    65,646,992.30/98,382,468.98 = 51,091,487.91/x
  3. Step 3: Cross multiply
    65,646,992.30x = 98,382,468.98 × 51,091,487.91
  4. Step 4: Simplify right side
    65,646,992.30x = 5,026,506,724,575,348
  5. Step 5: Solve for x
    x = 5,026,506,724,575,348/65,646,992.30
  6. Step 6: Final answer
    x = 76,568,728.42

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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.