Home / 74,660,930.80-103,032,063-40,322,114.80

Finding the Fourth Proportional to 74,660,930.80, 103,032,063 and 40,322,114.80

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Solution

The fourth proportional to 74,660,930.80, 103,032,063 and 40,322,114.80 is: 55,644,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660,930.80 : 103,032,063 = 40,322,114.80 : x
  2. Step 2: Convert to fraction form
    74,660,930.80/103,032,063 = 40,322,114.80/x
  3. Step 3: Cross multiply
    74,660,930.80x = 103,032,063 × 40,322,114.80
  4. Step 4: Simplify right side
    74,660,930.80x = 4,154,470,672,366,832
  5. Step 5: Solve for x
    x = 4,154,470,672,366,832/74,660,930.80
  6. Step 6: Final answer
    x = 55,644,506.81

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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.