Home / 120,096,725,465.66-165,736,012,433.76-65,902,799,974.60

Finding the Fourth Proportional to 120,096,725,465.66, 165,736,012,433.76 and 65,902,799,974.60

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Solution

The fourth proportional to 120,096,725,465.66, 165,736,012,433.76 and 65,902,799,974.60 is: 90,947,253,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,096,725,465.66 : 165,736,012,433.76 = 65,902,799,974.60 : x
  2. Step 2: Convert to fraction form
    120,096,725,465.66/165,736,012,433.76 = 65,902,799,974.60/x
  3. Step 3: Cross multiply
    120,096,725,465.66x = 165,736,012,433.76 × 65,902,799,974.60
  4. Step 4: Simplify right side
    120,096,725,465.66x = 10,922,467,276,009,903,226,880
  5. Step 5: Solve for x
    x = 10,922,467,276,009,903,226,880/120,096,725,465.66
  6. Step 6: Final answer
    x = 90,947,253,005.10

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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.