Home / 266,902,218.99-400,413,697.89-144,077,900.25

Finding the Fourth Proportional to 266,902,218.99, 400,413,697.89 and 144,077,900.25

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Solution

The fourth proportional to 266,902,218.99, 400,413,697.89 and 144,077,900.25 is: 216,149,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,902,218.99 : 400,413,697.89 = 144,077,900.25 : x
  2. Step 2: Convert to fraction form
    266,902,218.99/400,413,697.89 = 144,077,900.25/x
  3. Step 3: Cross multiply
    266,902,218.99x = 400,413,697.89 × 144,077,900.25
  4. Step 4: Simplify right side
    266,902,218.99x = 57,690,764,823,329,056
  5. Step 5: Solve for x
    x = 57,690,764,823,329,056/266,902,218.99
  6. Step 6: Final answer
    x = 216,149,438.70

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1.5x scale

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.