Home / 74,324,145.40-111,486,218.10-19,736,625.40

Finding the Fourth Proportional to 74,324,145.40, 111,486,218.10 and 19,736,625.40

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Solution

The fourth proportional to 74,324,145.40, 111,486,218.10 and 19,736,625.40 is: 29,604,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,324,145.40 : 111,486,218.10 = 19,736,625.40 : x
  2. Step 2: Convert to fraction form
    74,324,145.40/111,486,218.10 = 19,736,625.40/x
  3. Step 3: Cross multiply
    74,324,145.40x = 111,486,218.10 × 19,736,625.40
  4. Step 4: Simplify right side
    74,324,145.40x = 2,200,361,723,902,399.50
  5. Step 5: Solve for x
    x = 2,200,361,723,902,399.50/74,324,145.40
  6. Step 6: Final answer
    x = 29,604,938.10

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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.