Home / 281,248,002.38-421,881,571.12-133,619,372.40

Finding the Fourth Proportional to 281,248,002.38, 421,881,571.12 and 133,619,372.40

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Solution

The fourth proportional to 281,248,002.38, 421,881,571.12 and 133,619,372.40 is: 200,433,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,248,002.38 : 421,881,571.12 = 133,619,372.40 : x
  2. Step 2: Convert to fraction form
    281,248,002.38/421,881,571.12 = 133,619,372.40/x
  3. Step 3: Cross multiply
    281,248,002.38x = 421,881,571.12 × 133,619,372.40
  4. Step 4: Simplify right side
    281,248,002.38x = 56,371,550,760,180,368
  5. Step 5: Solve for x
    x = 56,371,550,760,180,368/281,248,002.38
  6. Step 6: Final answer
    x = 200,433,604.09

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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.