Home / 100,696,843,512.35-138,962,208,474.83-57,293,127,323.63

Finding the Fourth Proportional to 100,696,843,512.35, 138,962,208,474.83 and 57,293,127,323.63

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Solution

The fourth proportional to 100,696,843,512.35, 138,962,208,474.83 and 57,293,127,323.63 is: 79,064,836,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,696,843,512.35 : 138,962,208,474.83 = 57,293,127,323.63 : x
  2. Step 2: Convert to fraction form
    100,696,843,512.35/138,962,208,474.83 = 57,293,127,323.63/x
  3. Step 3: Cross multiply
    100,696,843,512.35x = 138,962,208,474.83 × 57,293,127,323.63
  4. Step 4: Simplify right side
    100,696,843,512.35x = 7,961,579,503,321,249,480,704
  5. Step 5: Solve for x
    x = 7,961,579,503,321,249,480,704/100,696,843,512.35
  6. Step 6: Final answer
    x = 79,064,836,847.09

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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.