Home / 304,489,344.51-420,199,326.47-165,261,775.23

Finding the Fourth Proportional to 304,489,344.51, 420,199,326.47 and 165,261,775.23

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Solution

The fourth proportional to 304,489,344.51, 420,199,326.47 and 165,261,775.23 is: 228,063,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,489,344.51 : 420,199,326.47 = 165,261,775.23 : x
  2. Step 2: Convert to fraction form
    304,489,344.51/420,199,326.47 = 165,261,775.23/x
  3. Step 3: Cross multiply
    304,489,344.51x = 420,199,326.47 × 165,261,775.23
  4. Step 4: Simplify right side
    304,489,344.51x = 69,442,886,643,295,680
  5. Step 5: Solve for x
    x = 69,442,886,643,295,680/304,489,344.51
  6. Step 6: Final answer
    x = 228,063,437.67

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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.