Home / 49,778,431.20-68,672,442.64-47,470,555.24

Finding the Fourth Proportional to 49,778,431.20, 68,672,442.64 and 47,470,555.24

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Solution

The fourth proportional to 49,778,431.20, 68,672,442.64 and 47,470,555.24 is: 65,488,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,778,431.20 : 68,672,442.64 = 47,470,555.24 : x
  2. Step 2: Convert to fraction form
    49,778,431.20/68,672,442.64 = 47,470,555.24/x
  3. Step 3: Cross multiply
    49,778,431.20x = 68,672,442.64 × 47,470,555.24
  4. Step 4: Simplify right side
    49,778,431.20x = 3,259,918,981,807,851.50
  5. Step 5: Solve for x
    x = 3,259,918,981,807,851.50/49,778,431.20
  6. Step 6: Final answer
    x = 65,488,584.18

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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.