Home / 266,780,265.08-400,190,579.84-82,566,373

Finding the Fourth Proportional to 266,780,265.08, 400,190,579.84 and 82,566,373

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Solution

The fourth proportional to 266,780,265.08, 400,190,579.84 and 82,566,373 is: 123,855,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780,265.08 : 400,190,579.84 = 82,566,373 : x
  2. Step 2: Convert to fraction form
    266,780,265.08/400,190,579.84 = 82,566,373/x
  3. Step 3: Cross multiply
    266,780,265.08x = 400,190,579.84 × 82,566,373
  4. Step 4: Simplify right side
    266,780,265.08x = 33,042,284,685,742,888
  5. Step 5: Solve for x
    x = 33,042,284,685,742,888/266,780,265.08
  6. Step 6: Final answer
    x = 123,855,805.74

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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.