Home / 313,918,554.85-433,204,167.80-172,786,757.88

Finding the Fourth Proportional to 313,918,554.85, 433,204,167.80 and 172,786,757.88

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Solution

The fourth proportional to 313,918,554.85, 433,204,167.80 and 172,786,757.88 is: 238,443,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918,554.85 : 433,204,167.80 = 172,786,757.88 : x
  2. Step 2: Convert to fraction form
    313,918,554.85/433,204,167.80 = 172,786,757.88/x
  3. Step 3: Cross multiply
    313,918,554.85x = 433,204,167.80 × 172,786,757.88
  4. Step 4: Simplify right side
    313,918,554.85x = 74,851,943,656,321,968
  5. Step 5: Solve for x
    x = 74,851,943,656,321,968/313,918,554.85
  6. Step 6: Final answer
    x = 238,443,833.60

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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.