Home / 266,864,744.48-400,555,333.83-128,787,552.38

Finding the Fourth Proportional to 266,864,744.48, 400,555,333.83 and 128,787,552.38

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Solution

The fourth proportional to 266,864,744.48, 400,555,333.83 and 128,787,552.38 is: 193,305,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,864,744.48 : 400,555,333.83 = 128,787,552.38 : x
  2. Step 2: Convert to fraction form
    266,864,744.48/400,555,333.83 = 128,787,552.38/x
  3. Step 3: Cross multiply
    266,864,744.48x = 400,555,333.83 × 128,787,552.38
  4. Step 4: Simplify right side
    266,864,744.48x = 51,586,541,037,478,776
  5. Step 5: Solve for x
    x = 51,586,541,037,478,776/266,864,744.48
  6. Step 6: Final answer
    x = 193,305,942.82

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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.