Home / 277,396,154.82-382,802,002.20-153,634,174.74

Finding the Fourth Proportional to 277,396,154.82, 382,802,002.20 and 153,634,174.74

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Solution

The fourth proportional to 277,396,154.82, 382,802,002.20 and 153,634,174.74 is: 212,012,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,396,154.82 : 382,802,002.20 = 153,634,174.74 : x
  2. Step 2: Convert to fraction form
    277,396,154.82/382,802,002.20 = 153,634,174.74/x
  3. Step 3: Cross multiply
    277,396,154.82x = 382,802,002.20 × 153,634,174.74
  4. Step 4: Simplify right side
    277,396,154.82x = 58,811,469,696,816,664
  5. Step 5: Solve for x
    x = 58,811,469,696,816,664/277,396,154.82
  6. Step 6: Final answer
    x = 212,012,562.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.