Home / 211,314,867.46-291,614,860.16-117,229,016.84

Finding the Fourth Proportional to 211,314,867.46, 291,614,860.16 and 117,229,016.84

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Solution

The fourth proportional to 211,314,867.46, 291,614,860.16 and 117,229,016.84 is: 161,776,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,314,867.46 : 291,614,860.16 = 117,229,016.84 : x
  2. Step 2: Convert to fraction form
    211,314,867.46/291,614,860.16 = 117,229,016.84/x
  3. Step 3: Cross multiply
    211,314,867.46x = 291,614,860.16 × 117,229,016.84
  4. Step 4: Simplify right side
    211,314,867.46x = 34,185,723,350,886,272
  5. Step 5: Solve for x
    x = 34,185,723,350,886,272/211,314,867.46
  6. Step 6: Final answer
    x = 161,776,233.55

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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.