Home / 281,248,000.38-421,881,568.11-133,619,370.39

Finding the Fourth Proportional to 281,248,000.38, 421,881,568.11 and 133,619,370.39

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Solution

The fourth proportional to 281,248,000.38, 421,881,568.11 and 133,619,370.39 is: 200,433,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,248,000.38 : 421,881,568.11 = 133,619,370.39 : x
  2. Step 2: Convert to fraction form
    281,248,000.38/421,881,568.11 = 133,619,370.39/x
  3. Step 3: Cross multiply
    281,248,000.38x = 421,881,568.11 × 133,619,370.39
  4. Step 4: Simplify right side
    281,248,000.38x = 56,371,549,510,004,104
  5. Step 5: Solve for x
    x = 56,371,549,510,004,104/281,248,000.38
  6. Step 6: Final answer
    x = 200,433,601.07

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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.