Home / 252,227,712.90-378,341,569.35-187,657,631.40

Finding the Fourth Proportional to 252,227,712.90, 378,341,569.35 and 187,657,631.40

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Solution

The fourth proportional to 252,227,712.90, 378,341,569.35 and 187,657,631.40 is: 281,486,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,712.90 : 378,341,569.35 = 187,657,631.40 : x
  2. Step 2: Convert to fraction form
    252,227,712.90/378,341,569.35 = 187,657,631.40/x
  3. Step 3: Cross multiply
    252,227,712.90x = 378,341,569.35 × 187,657,631.40
  4. Step 4: Simplify right side
    252,227,712.90x = 70,998,682,764,379,848
  5. Step 5: Solve for x
    x = 70,998,682,764,379,848/252,227,712.90
  6. Step 6: Final answer
    x = 281,486,447.10

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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.