Home / 74,303,383.20-111,455,074.80-19,715,863.20

Finding the Fourth Proportional to 74,303,383.20, 111,455,074.80 and 19,715,863.20

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Solution

The fourth proportional to 74,303,383.20, 111,455,074.80 and 19,715,863.20 is: 29,573,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303,383.20 : 111,455,074.80 = 19,715,863.20 : x
  2. Step 2: Convert to fraction form
    74,303,383.20/111,455,074.80 = 19,715,863.20/x
  3. Step 3: Cross multiply
    74,303,383.20x = 111,455,074.80 × 19,715,863.20
  4. Step 4: Simplify right side
    74,303,383.20x = 2,197,433,007,702,567.25
  5. Step 5: Solve for x
    x = 2,197,433,007,702,567.25/74,303,383.20
  6. Step 6: Final answer
    x = 29,573,794.80

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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.