Home / 281,786,248.32-422,780,055.84-171,346,612.56

Finding the Fourth Proportional to 281,786,248.32, 422,780,055.84 and 171,346,612.56

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Solution

The fourth proportional to 281,786,248.32, 422,780,055.84 and 171,346,612.56 is: 257,081,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,786,248.32 : 422,780,055.84 = 171,346,612.56 : x
  2. Step 2: Convert to fraction form
    281,786,248.32/422,780,055.84 = 171,346,612.56/x
  3. Step 3: Cross multiply
    281,786,248.32x = 422,780,055.84 × 171,346,612.56
  4. Step 4: Simplify right side
    281,786,248.32x = 72,441,930,426,111,648
  5. Step 5: Solve for x
    x = 72,441,930,426,111,648/281,786,248.32
  6. Step 6: Final answer
    x = 257,081,141.67

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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.