Home / 284,017,880.31-391,914,803.42-164,917,191.39

Finding the Fourth Proportional to 284,017,880.31, 391,914,803.42 and 164,917,191.39

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Solution

The fourth proportional to 284,017,880.31, 391,914,803.42 and 164,917,191.39 is: 227,568,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,017,880.31 : 391,914,803.42 = 164,917,191.39 : x
  2. Step 2: Convert to fraction form
    284,017,880.31/391,914,803.42 = 164,917,191.39/x
  3. Step 3: Cross multiply
    284,017,880.31x = 391,914,803.42 × 164,917,191.39
  4. Step 4: Simplify right side
    284,017,880.31x = 64,633,488,642,798,288
  5. Step 5: Solve for x
    x = 64,633,488,642,798,288/284,017,880.31
  6. Step 6: Final answer
    x = 227,568,379.05

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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.