Home / 304,486,012.92-420,191,112.84-165,256,776.68

Finding the Fourth Proportional to 304,486,012.92, 420,191,112.84 and 165,256,776.68

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Solution

The fourth proportional to 304,486,012.92, 420,191,112.84 and 165,256,776.68 is: 228,054,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,012.92 : 420,191,112.84 = 165,256,776.68 : x
  2. Step 2: Convert to fraction form
    304,486,012.92/420,191,112.84 = 165,256,776.68/x
  3. Step 3: Cross multiply
    304,486,012.92x = 420,191,112.84 × 165,256,776.68
  4. Step 4: Simplify right side
    304,486,012.92x = 69,439,428,897,520,560
  5. Step 5: Solve for x
    x = 69,439,428,897,520,560/304,486,012.92
  6. Step 6: Final answer
    x = 228,054,577.06

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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.