Home / 266,780,260.36-400,190,572.76-82,566,368.28

Finding the Fourth Proportional to 266,780,260.36, 400,190,572.76 and 82,566,368.28

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Solution

The fourth proportional to 266,780,260.36, 400,190,572.76 and 82,566,368.28 is: 123,855,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780,260.36 : 400,190,572.76 = 82,566,368.28 : x
  2. Step 2: Convert to fraction form
    266,780,260.36/400,190,572.76 = 82,566,368.28/x
  3. Step 3: Cross multiply
    266,780,260.36x = 400,190,572.76 × 82,566,368.28
  4. Step 4: Simplify right side
    266,780,260.36x = 33,042,282,212,273,464
  5. Step 5: Solve for x
    x = 33,042,282,212,273,464/266,780,260.36
  6. Step 6: Final answer
    x = 123,855,798.65

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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.