Home / 253,499,565.86-380,245,266.39-80,975,242.34

Finding the Fourth Proportional to 253,499,565.86, 380,245,266.39 and 80,975,242.34

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Solution

The fourth proportional to 253,499,565.86, 380,245,266.39 and 80,975,242.34 is: 121,461,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,499,565.86 : 380,245,266.39 = 80,975,242.34 : x
  2. Step 2: Convert to fraction form
    253,499,565.86/380,245,266.39 = 80,975,242.34/x
  3. Step 3: Cross multiply
    253,499,565.86x = 380,245,266.39 × 80,975,242.34
  4. Step 4: Simplify right side
    253,499,565.86x = 30,790,452,594,568,108
  5. Step 5: Solve for x
    x = 30,790,452,594,568,108/253,499,565.86
  6. Step 6: Final answer
    x = 121,461,559.47

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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.