Home / 252,237,787.16-378,175,092.71-154,992,572.55

Finding the Fourth Proportional to 252,237,787.16, 378,175,092.71 and 154,992,572.55

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Solution

The fourth proportional to 252,237,787.16, 378,175,092.71 and 154,992,572.55 is: 232,377,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,237,787.16 : 378,175,092.71 = 154,992,572.55 : x
  2. Step 2: Convert to fraction form
    252,237,787.16/378,175,092.71 = 154,992,572.55/x
  3. Step 3: Cross multiply
    252,237,787.16x = 378,175,092.71 × 154,992,572.55
  4. Step 4: Simplify right side
    252,237,787.16x = 58,614,330,492,682,688
  5. Step 5: Solve for x
    x = 58,614,330,492,682,688/252,237,787.16
  6. Step 6: Final answer
    x = 232,377,278.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.