Home / 311,093,069.12-429,333,534.24-171,875,988.80

Finding the Fourth Proportional to 311,093,069.12, 429,333,534.24 and 171,875,988.80

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Solution

The fourth proportional to 311,093,069.12, 429,333,534.24 and 171,875,988.80 is: 237,202,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,093,069.12 : 429,333,534.24 = 171,875,988.80 : x
  2. Step 2: Convert to fraction form
    311,093,069.12/429,333,534.24 = 171,875,988.80/x
  3. Step 3: Cross multiply
    311,093,069.12x = 429,333,534.24 × 171,875,988.80
  4. Step 4: Simplify right side
    311,093,069.12x = 73,792,125,722,498,656
  5. Step 5: Solve for x
    x = 73,792,125,722,498,656/311,093,069.12
  6. Step 6: Final answer
    x = 237,202,731.42

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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.