Home / 40,975,552.80-61,463,329.20-20,568,218.40

Finding the Fourth Proportional to 40,975,552.80, 61,463,329.20 and 20,568,218.40

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Solution

The fourth proportional to 40,975,552.80, 61,463,329.20 and 20,568,218.40 is: 30,852,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,975,552.80 : 61,463,329.20 = 20,568,218.40 : x
  2. Step 2: Convert to fraction form
    40,975,552.80/61,463,329.20 = 20,568,218.40/x
  3. Step 3: Cross multiply
    40,975,552.80x = 61,463,329.20 × 20,568,218.40
  4. Step 4: Simplify right side
    40,975,552.80x = 1,264,191,178,576,697.25
  5. Step 5: Solve for x
    x = 1,264,191,178,576,697.25/40,975,552.80
  6. Step 6: Final answer
    x = 30,852,327.60

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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.