Home / 274,081,236.75-378,235,018.07-148,633,677.45

Finding the Fourth Proportional to 274,081,236.75, 378,235,018.07 and 148,633,677.45

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Solution

The fourth proportional to 274,081,236.75, 378,235,018.07 and 148,633,677.45 is: 205,116,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,081,236.75 : 378,235,018.07 = 148,633,677.45 : x
  2. Step 2: Convert to fraction form
    274,081,236.75/378,235,018.07 = 148,633,677.45/x
  3. Step 3: Cross multiply
    274,081,236.75x = 378,235,018.07 × 148,633,677.45
  4. Step 4: Simplify right side
    274,081,236.75x = 56,218,461,673,476,952
  5. Step 5: Solve for x
    x = 56,218,461,673,476,952/274,081,236.75
  6. Step 6: Final answer
    x = 205,116,053.70

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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.