Home / 271,899,061.11-407,851,451.88-217,656,465.23

Finding the Fourth Proportional to 271,899,061.11, 407,851,451.88 and 217,656,465.23

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Solution

The fourth proportional to 271,899,061.11, 407,851,451.88 and 217,656,465.23 is: 326,486,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,899,061.11 : 407,851,451.88 = 217,656,465.23 : x
  2. Step 2: Convert to fraction form
    271,899,061.11/407,851,451.88 = 217,656,465.23/x
  3. Step 3: Cross multiply
    271,899,061.11x = 407,851,451.88 × 217,656,465.23
  4. Step 4: Simplify right side
    271,899,061.11x = 88,771,505,355,124,240
  5. Step 5: Solve for x
    x = 88,771,505,355,124,240/271,899,061.11
  6. Step 6: Final answer
    x = 326,486,987.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.