Home / 100,696,843,511.29-138,962,208,473.36-57,293,127,322.57

Finding the Fourth Proportional to 100,696,843,511.29, 138,962,208,473.36 and 57,293,127,322.57

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Solution

The fourth proportional to 100,696,843,511.29, 138,962,208,473.36 and 57,293,127,322.57 is: 79,064,836,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,696,843,511.29 : 138,962,208,473.36 = 57,293,127,322.57 : x
  2. Step 2: Convert to fraction form
    100,696,843,511.29/138,962,208,473.36 = 57,293,127,322.57/x
  3. Step 3: Cross multiply
    100,696,843,511.29x = 138,962,208,473.36 × 57,293,127,322.57
  4. Step 4: Simplify right side
    100,696,843,511.29x = 7,961,579,503,089,034,985,472
  5. Step 5: Solve for x
    x = 7,961,579,503,089,034,985,472/100,696,843,511.29
  6. Step 6: Final answer
    x = 79,064,836,845.62

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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.