Home / 199,621,042.32-275,487,614.97-120,261,085.94

Finding the Fourth Proportional to 199,621,042.32, 275,487,614.97 and 120,261,085.94

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Solution

The fourth proportional to 199,621,042.32, 275,487,614.97 and 120,261,085.94 is: 165,966,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,621,042.32 : 275,487,614.97 = 120,261,085.94 : x
  2. Step 2: Convert to fraction form
    199,621,042.32/275,487,614.97 = 120,261,085.94/x
  3. Step 3: Cross multiply
    199,621,042.32x = 275,487,614.97 × 120,261,085.94
  4. Step 4: Simplify right side
    199,621,042.32x = 33,130,439,739,550,540
  5. Step 5: Solve for x
    x = 33,130,439,739,550,540/199,621,042.32
  6. Step 6: Final answer
    x = 165,966,670.42

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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.