Home / 231,082,742.83-318,926,885.26-143,005,106.74

Finding the Fourth Proportional to 231,082,742.83, 318,926,885.26 and 143,005,106.74

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Solution

The fourth proportional to 231,082,742.83, 318,926,885.26 and 143,005,106.74 is: 197,367,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,082,742.83 : 318,926,885.26 = 143,005,106.74 : x
  2. Step 2: Convert to fraction form
    231,082,742.83/318,926,885.26 = 143,005,106.74/x
  3. Step 3: Cross multiply
    231,082,742.83x = 318,926,885.26 × 143,005,106.74
  4. Step 4: Simplify right side
    231,082,742.83x = 45,608,173,267,267,400
  5. Step 5: Solve for x
    x = 45,608,173,267,267,400/231,082,742.83
  6. Step 6: Final answer
    x = 197,367,283.73

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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.