Home / 231,012,002.70-346,518,004.05-185,662,370.70

Finding the Fourth Proportional to 231,012,002.70, 346,518,004.05 and 185,662,370.70

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Solution

The fourth proportional to 231,012,002.70, 346,518,004.05 and 185,662,370.70 is: 278,493,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,012,002.70 : 346,518,004.05 = 185,662,370.70 : x
  2. Step 2: Convert to fraction form
    231,012,002.70/346,518,004.05 = 185,662,370.70/x
  3. Step 3: Cross multiply
    231,012,002.70x = 346,518,004.05 × 185,662,370.70
  4. Step 4: Simplify right side
    231,012,002.70x = 64,335,354,122,155,200
  5. Step 5: Solve for x
    x = 64,335,354,122,155,200/231,012,002.70
  6. Step 6: Final answer
    x = 278,493,556.05

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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.