Home / 266,787,074,087.36-400,203,210,665.08-85,296,071,810.43

Finding the Fourth Proportional to 266,787,074,087.36, 400,203,210,665.08 and 85,296,071,810.43

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Solution

The fourth proportional to 266,787,074,087.36, 400,203,210,665.08 and 85,296,071,810.43 is: 127,951,333,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,787,074,087.36 : 400,203,210,665.08 = 85,296,071,810.43 : x
  2. Step 2: Convert to fraction form
    266,787,074,087.36/400,203,210,665.08 = 85,296,071,810.43/x
  3. Step 3: Cross multiply
    266,787,074,087.36x = 400,203,210,665.08 × 85,296,071,810.43
  4. Step 4: Simplify right side
    266,787,074,087.36x = 34,135,761,795,653,306,417,152
  5. Step 5: Solve for x
    x = 34,135,761,795,653,306,417,152/266,787,074,087.36
  6. Step 6: Final answer
    x = 127,951,333,146.21

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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.