Home / 211,314,868.21-291,614,861.19-117,229,017.59

Finding the Fourth Proportional to 211,314,868.21, 291,614,861.19 and 117,229,017.59

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Solution

The fourth proportional to 211,314,868.21, 291,614,861.19 and 117,229,017.59 is: 161,776,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,314,868.21 : 291,614,861.19 = 117,229,017.59 : x
  2. Step 2: Convert to fraction form
    211,314,868.21/291,614,861.19 = 117,229,017.59/x
  3. Step 3: Cross multiply
    211,314,868.21x = 291,614,861.19 × 117,229,017.59
  4. Step 4: Simplify right side
    211,314,868.21x = 34,185,723,690,929,452
  5. Step 5: Solve for x
    x = 34,185,723,690,929,452/211,314,868.21
  6. Step 6: Final answer
    x = 161,776,234.59

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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.