Home / 213,677,322.69-318,719,464.37-194,061,171.07

Finding the Fourth Proportional to 213,677,322.69, 318,719,464.37 and 194,061,171.07

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Solution

The fourth proportional to 213,677,322.69, 318,719,464.37 and 194,061,171.07 is: 289,460,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,677,322.69 : 318,719,464.37 = 194,061,171.07 : x
  2. Step 2: Convert to fraction form
    213,677,322.69/318,719,464.37 = 194,061,171.07/x
  3. Step 3: Cross multiply
    213,677,322.69x = 318,719,464.37 × 194,061,171.07
  4. Step 4: Simplify right side
    213,677,322.69x = 61,851,072,498,445,336
  5. Step 5: Solve for x
    x = 61,851,072,498,445,336/213,677,322.69
  6. Step 6: Final answer
    x = 289,460,162.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.