Home / 307,874,486.46-424,705,712.31-190,362,252.54

Finding the Fourth Proportional to 307,874,486.46, 424,705,712.31 and 190,362,252.54

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Solution

The fourth proportional to 307,874,486.46, 424,705,712.31 and 190,362,252.54 is: 262,600,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,874,486.46 : 424,705,712.31 = 190,362,252.54 : x
  2. Step 2: Convert to fraction form
    307,874,486.46/424,705,712.31 = 190,362,252.54/x
  3. Step 3: Cross multiply
    307,874,486.46x = 424,705,712.31 × 190,362,252.54
  4. Step 4: Simplify right side
    307,874,486.46x = 80,847,936,061,936,800
  5. Step 5: Solve for x
    x = 80,847,936,061,936,800/307,874,486.46
  6. Step 6: Final answer
    x = 262,600,311.55

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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.