Home / 266,912,010.30-400,368,015.45-164,343,459.90

Finding the Fourth Proportional to 266,912,010.30, 400,368,015.45 and 164,343,459.90

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Solution

The fourth proportional to 266,912,010.30, 400,368,015.45 and 164,343,459.90 is: 246,515,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,912,010.30 : 400,368,015.45 = 164,343,459.90 : x
  2. Step 2: Convert to fraction form
    266,912,010.30/400,368,015.45 = 164,343,459.90/x
  3. Step 3: Cross multiply
    266,912,010.30x = 400,368,015.45 × 164,343,459.90
  4. Step 4: Simplify right side
    266,912,010.30x = 65,797,864,892,349,656
  5. Step 5: Solve for x
    x = 65,797,864,892,349,656/266,912,010.30
  6. Step 6: Final answer
    x = 246,515,189.85

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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.