Home / 295,269,556.80-442,902,002.40-76,919,476.80

Finding the Fourth Proportional to 295,269,556.80, 442,902,002.40 and 76,919,476.80

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Solution

The fourth proportional to 295,269,556.80, 442,902,002.40 and 76,919,476.80 is: 115,378,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,269,556.80 : 442,902,002.40 = 76,919,476.80 : x
  2. Step 2: Convert to fraction form
    295,269,556.80/442,902,002.40 = 76,919,476.80/x
  3. Step 3: Cross multiply
    295,269,556.80x = 442,902,002.40 × 76,919,476.80
  4. Step 4: Simplify right side
    295,269,556.80x = 34,067,790,298,280,340
  5. Step 5: Solve for x
    x = 34,067,790,298,280,340/295,269,556.80
  6. Step 6: Final answer
    x = 115,378,607.49

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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.