Home / 211,055,717.30-291,256,917.52-116,975,938.10

Finding the Fourth Proportional to 211,055,717.30, 291,256,917.52 and 116,975,938.10

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Solution

The fourth proportional to 211,055,717.30, 291,256,917.52 and 116,975,938.10 is: 161,426,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,717.30 : 291,256,917.52 = 116,975,938.10 : x
  2. Step 2: Convert to fraction form
    211,055,717.30/291,256,917.52 = 116,975,938.10/x
  3. Step 3: Cross multiply
    211,055,717.30x = 291,256,917.52 × 116,975,938.10
  4. Step 4: Simplify right side
    211,055,717.30x = 34,070,051,155,016,320
  5. Step 5: Solve for x
    x = 34,070,051,155,016,320/211,055,717.30
  6. Step 6: Final answer
    x = 161,426,809.90

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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.