Home / 274,311,228.51-378,550,486.40-148,863,397.18

Finding the Fourth Proportional to 274,311,228.51, 378,550,486.40 and 148,863,397.18

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Solution

The fourth proportional to 274,311,228.51, 378,550,486.40 and 148,863,397.18 is: 205,432,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,311,228.51 : 378,550,486.40 = 148,863,397.18 : x
  2. Step 2: Convert to fraction form
    274,311,228.51/378,550,486.40 = 148,863,397.18/x
  3. Step 3: Cross multiply
    274,311,228.51x = 378,550,486.40 × 148,863,397.18
  4. Step 4: Simplify right side
    274,311,228.51x = 56,352,311,410,963,920
  5. Step 5: Solve for x
    x = 56,352,311,410,963,920/274,311,228.51
  6. Step 6: Final answer
    x = 205,432,025.94

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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.