Home / 274,359,558.32-378,616,605.23-148,911,799.31

Finding the Fourth Proportional to 274,359,558.32, 378,616,605.23 and 148,911,799.31

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Solution

The fourth proportional to 274,359,558.32, 378,616,605.23 and 148,911,799.31 is: 205,498,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,359,558.32 : 378,616,605.23 = 148,911,799.31 : x
  2. Step 2: Convert to fraction form
    274,359,558.32/378,616,605.23 = 148,911,799.31/x
  3. Step 3: Cross multiply
    274,359,558.32x = 378,616,605.23 × 148,911,799.31
  4. Step 4: Simplify right side
    274,359,558.32x = 56,380,479,931,922,456
  5. Step 5: Solve for x
    x = 56,380,479,931,922,456/274,359,558.32
  6. Step 6: Final answer
    x = 205,498,508.16

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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.