Home / 120,096,725,461.43-165,736,012,427.89-65,902,799,970.34

Finding the Fourth Proportional to 120,096,725,461.43, 165,736,012,427.89 and 65,902,799,970.34

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Solution

The fourth proportional to 120,096,725,461.43, 165,736,012,427.89 and 65,902,799,970.34 is: 90,947,252,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,096,725,461.43 : 165,736,012,427.89 = 65,902,799,970.34 : x
  2. Step 2: Convert to fraction form
    120,096,725,461.43/165,736,012,427.89 = 65,902,799,970.34/x
  3. Step 3: Cross multiply
    120,096,725,461.43x = 165,736,012,427.89 × 65,902,799,970.34
  4. Step 4: Simplify right side
    120,096,725,461.43x = 10,922,467,274,917,018,599,424
  5. Step 5: Solve for x
    x = 10,922,467,274,917,018,599,424/120,096,725,461.43
  6. Step 6: Final answer
    x = 90,947,252,999.21

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1.5x scale

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.