Home / 186,593,191.80-280,102,364.10-109,959,399.60

Finding the Fourth Proportional to 186,593,191.80, 280,102,364.10 and 109,959,399.60

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Solution

The fourth proportional to 186,593,191.80, 280,102,364.10 and 109,959,399.60 is: 165,064,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,593,191.80 : 280,102,364.10 = 109,959,399.60 : x
  2. Step 2: Convert to fraction form
    186,593,191.80/280,102,364.10 = 109,959,399.60/x
  3. Step 3: Cross multiply
    186,593,191.80x = 280,102,364.10 × 109,959,399.60
  4. Step 4: Simplify right side
    186,593,191.80x = 30,799,887,782,976,596
  5. Step 5: Solve for x
    x = 30,799,887,782,976,596/186,593,191.80
  6. Step 6: Final answer
    x = 165,064,370.71

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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.