Home / 266,780,266.99-400,190,582.69-82,566,374.91

Finding the Fourth Proportional to 266,780,266.99, 400,190,582.69 and 82,566,374.91

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Solution

The fourth proportional to 266,780,266.99, 400,190,582.69 and 82,566,374.91 is: 123,855,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780,266.99 : 400,190,582.69 = 82,566,374.91 : x
  2. Step 2: Convert to fraction form
    266,780,266.99/400,190,582.69 = 82,566,374.91/x
  3. Step 3: Cross multiply
    266,780,266.99x = 400,190,582.69 × 82,566,374.91
  4. Step 4: Simplify right side
    266,780,266.99x = 33,042,285,685,833,896
  5. Step 5: Solve for x
    x = 33,042,285,685,833,896/266,780,266.99
  6. Step 6: Final answer
    x = 123,855,808.60

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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.