Home / 405,488,167.75-608,292,949.18-146,763,921.66

Finding the Fourth Proportional to 405,488,167.75, 608,292,949.18 and 146,763,921.66

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Solution

The fourth proportional to 405,488,167.75, 608,292,949.18 and 146,763,921.66 is: 220,167,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,488,167.75 : 608,292,949.18 = 146,763,921.66 : x
  2. Step 2: Convert to fraction form
    405,488,167.75/608,292,949.18 = 146,763,921.66/x
  3. Step 3: Cross multiply
    405,488,167.75x = 608,292,949.18 × 146,763,921.66
  4. Step 4: Simplify right side
    405,488,167.75x = 89,275,458,739,783,872
  5. Step 5: Solve for x
    x = 89,275,458,739,783,872/405,488,167.75
  6. Step 6: Final answer
    x = 220,167,851.59

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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.