Home / 211,055,713.05-291,256,911.65-116,975,933.86

Finding the Fourth Proportional to 211,055,713.05, 291,256,911.65 and 116,975,933.86

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Solution

The fourth proportional to 211,055,713.05, 291,256,911.65 and 116,975,933.86 is: 161,426,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,713.05 : 291,256,911.65 = 116,975,933.86 : x
  2. Step 2: Convert to fraction form
    211,055,713.05/291,256,911.65 = 116,975,933.86/x
  3. Step 3: Cross multiply
    211,055,713.05x = 291,256,911.65 × 116,975,933.86
  4. Step 4: Simplify right side
    211,055,713.05x = 34,070,049,233,002,560
  5. Step 5: Solve for x
    x = 34,070,049,233,002,560/211,055,713.05
  6. Step 6: Final answer
    x = 161,426,804.04

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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.