Home / 230,905,864.85-318,529,284.23-142,771,689.41

Finding the Fourth Proportional to 230,905,864.85, 318,529,284.23 and 142,771,689.41

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Solution

The fourth proportional to 230,905,864.85, 318,529,284.23 and 142,771,689.41 is: 196,950,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,905,864.85 : 318,529,284.23 = 142,771,689.41 : x
  2. Step 2: Convert to fraction form
    230,905,864.85/318,529,284.23 = 142,771,689.41/x
  3. Step 3: Cross multiply
    230,905,864.85x = 318,529,284.23 × 142,771,689.41
  4. Step 4: Simplify right side
    230,905,864.85x = 45,476,964,034,839,456
  5. Step 5: Solve for x
    x = 45,476,964,034,839,456/230,905,864.85
  6. Step 6: Final answer
    x = 196,950,233.66

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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.