Home / 123,364,204.50-170,319,984.75-79,387,609.44

Finding the Fourth Proportional to 123,364,204.50, 170,319,984.75 and 79,387,609.44

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Solution

The fourth proportional to 123,364,204.50, 170,319,984.75 and 79,387,609.44 is: 109,604,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,364,204.50 : 170,319,984.75 = 79,387,609.44 : x
  2. Step 2: Convert to fraction form
    123,364,204.50/170,319,984.75 = 79,387,609.44/x
  3. Step 3: Cross multiply
    123,364,204.50x = 170,319,984.75 × 79,387,609.44
  4. Step 4: Simplify right side
    123,364,204.50x = 13,521,296,429,159,756
  5. Step 5: Solve for x
    x = 13,521,296,429,159,756/123,364,204.50
  6. Step 6: Final answer
    x = 109,604,698.41

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1.5x scale

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.