Home / 204,087,279.90-281,628,309.87-115,969,047.69

Finding the Fourth Proportional to 204,087,279.90, 281,628,309.87 and 115,969,047.69

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Solution

The fourth proportional to 204,087,279.90, 281,628,309.87 and 115,969,047.69 is: 160,030,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,087,279.90 : 281,628,309.87 = 115,969,047.69 : x
  2. Step 2: Convert to fraction form
    204,087,279.90/281,628,309.87 = 115,969,047.69/x
  3. Step 3: Cross multiply
    204,087,279.90x = 281,628,309.87 × 115,969,047.69
  4. Step 4: Simplify right side
    204,087,279.90x = 32,660,166,898,168,128
  5. Step 5: Solve for x
    x = 32,660,166,898,168,128/204,087,279.90
  6. Step 6: Final answer
    x = 160,030,389.52

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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.