Home / 274,636,635.75-378,998,710.43-150,885,284.49

Finding the Fourth Proportional to 274,636,635.75, 378,998,710.43 and 150,885,284.49

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Solution

The fourth proportional to 274,636,635.75, 378,998,710.43 and 150,885,284.49 is: 208,221,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,636,635.75 : 378,998,710.43 = 150,885,284.49 : x
  2. Step 2: Convert to fraction form
    274,636,635.75/378,998,710.43 = 150,885,284.49/x
  3. Step 3: Cross multiply
    274,636,635.75x = 378,998,710.43 × 150,885,284.49
  4. Step 4: Simplify right side
    274,636,635.75x = 57,185,328,243,819,256
  5. Step 5: Solve for x
    x = 57,185,328,243,819,256/274,636,635.75
  6. Step 6: Final answer
    x = 208,221,776.70

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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.