Home / 274,311,220.33-378,550,475.13-148,863,389.02

Finding the Fourth Proportional to 274,311,220.33, 378,550,475.13 and 148,863,389.02

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Solution

The fourth proportional to 274,311,220.33, 378,550,475.13 and 148,863,389.02 is: 205,432,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,311,220.33 : 378,550,475.13 = 148,863,389.02 : x
  2. Step 2: Convert to fraction form
    274,311,220.33/378,550,475.13 = 148,863,389.02/x
  3. Step 3: Cross multiply
    274,311,220.33x = 378,550,475.13 × 148,863,389.02
  4. Step 4: Simplify right side
    274,311,220.33x = 56,352,306,642,983,032
  5. Step 5: Solve for x
    x = 56,352,306,642,983,032/274,311,220.33
  6. Step 6: Final answer
    x = 205,432,014.68

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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.