Home / 100,764,209,600.82-139,053,782,867.16-55,038,514,172.46

Finding the Fourth Proportional to 100,764,209,600.82, 139,053,782,867.16 and 55,038,514,172.46

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Solution

The fourth proportional to 100,764,209,600.82, 139,053,782,867.16 and 55,038,514,172.46 is: 75,952,698,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,764,209,600.82 : 139,053,782,867.16 = 55,038,514,172.46 : x
  2. Step 2: Convert to fraction form
    100,764,209,600.82/139,053,782,867.16 = 55,038,514,172.46/x
  3. Step 3: Cross multiply
    100,764,209,600.82x = 139,053,782,867.16 × 55,038,514,172.46
  4. Step 4: Simplify right side
    100,764,209,600.82x = 7,653,313,599,068,360,933,376
  5. Step 5: Solve for x
    x = 7,653,313,599,068,360,933,376/100,764,209,600.82
  6. Step 6: Final answer
    x = 75,952,698,179.12

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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.