Home / 287,388,045.30-431,082,067.95-229,992,417.30

Finding the Fourth Proportional to 287,388,045.30, 431,082,067.95 and 229,992,417.30

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Solution

The fourth proportional to 287,388,045.30, 431,082,067.95 and 229,992,417.30 is: 344,988,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,388,045.30 : 431,082,067.95 = 229,992,417.30 : x
  2. Step 2: Convert to fraction form
    287,388,045.30/431,082,067.95 = 229,992,417.30/x
  3. Step 3: Cross multiply
    287,388,045.30x = 431,082,067.95 × 229,992,417.30
  4. Step 4: Simplify right side
    287,388,045.30x = 99,145,606,862,503,360
  5. Step 5: Solve for x
    x = 99,145,606,862,503,360/287,388,045.30
  6. Step 6: Final answer
    x = 344,988,625.95

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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.