Home / 304,508,156.13-420,210,003.18-165,275,928.54

Finding the Fourth Proportional to 304,508,156.13, 420,210,003.18 and 165,275,928.54

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Solution

The fourth proportional to 304,508,156.13, 420,210,003.18 and 165,275,928.54 is: 228,074,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,508,156.13 : 420,210,003.18 = 165,275,928.54 : x
  2. Step 2: Convert to fraction form
    304,508,156.13/420,210,003.18 = 165,275,928.54/x
  3. Step 3: Cross multiply
    304,508,156.13x = 420,210,003.18 × 165,275,928.54
  4. Step 4: Simplify right side
    304,508,156.13x = 69,450,598,457,370,848
  5. Step 5: Solve for x
    x = 69,450,598,457,370,848/304,508,156.13
  6. Step 6: Final answer
    x = 228,074,674.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.