Home / 66,728,001.70-100,092,002.55-41,085,864.10

Finding the Fourth Proportional to 66,728,001.70, 100,092,002.55 and 41,085,864.10

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Solution

The fourth proportional to 66,728,001.70, 100,092,002.55 and 41,085,864.10 is: 61,628,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,728,001.70 : 100,092,002.55 = 41,085,864.10 : x
  2. Step 2: Convert to fraction form
    66,728,001.70/100,092,002.55 = 41,085,864.10/x
  3. Step 3: Cross multiply
    66,728,001.70x = 100,092,002.55 × 41,085,864.10
  4. Step 4: Simplify right side
    66,728,001.70x = 4,112,366,414,266,153.50
  5. Step 5: Solve for x
    x = 4,112,366,414,266,153.50/66,728,001.70
  6. Step 6: Final answer
    x = 61,628,796.15

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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.