Home / 211,288,729.27-291,577,372.32-117,201,902.13

Finding the Fourth Proportional to 211,288,729.27, 291,577,372.32 and 117,201,902.13

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Solution

The fourth proportional to 211,288,729.27, 291,577,372.32 and 117,201,902.13 is: 161,738,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,288,729.27 : 291,577,372.32 = 117,201,902.13 : x
  2. Step 2: Convert to fraction form
    211,288,729.27/291,577,372.32 = 117,201,902.13/x
  3. Step 3: Cross multiply
    211,288,729.27x = 291,577,372.32 × 117,201,902.13
  4. Step 4: Simplify right side
    211,288,729.27x = 34,173,422,653,971,208
  5. Step 5: Solve for x
    x = 34,173,422,653,971,208/211,288,729.27
  6. Step 6: Final answer
    x = 161,738,029.15

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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.