Home / 120,096,725,461.93-165,736,012,428.58-65,902,799,970.84

Finding the Fourth Proportional to 120,096,725,461.93, 165,736,012,428.58 and 65,902,799,970.84

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Solution

The fourth proportional to 120,096,725,461.93, 165,736,012,428.58 and 65,902,799,970.84 is: 90,947,252,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,096,725,461.93 : 165,736,012,428.58 = 65,902,799,970.84 : x
  2. Step 2: Convert to fraction form
    120,096,725,461.93/165,736,012,428.58 = 65,902,799,970.84/x
  3. Step 3: Cross multiply
    120,096,725,461.93x = 165,736,012,428.58 × 65,902,799,970.84
  4. Step 4: Simplify right side
    120,096,725,461.93x = 10,922,467,275,045,358,010,368
  5. Step 5: Solve for x
    x = 10,922,467,275,045,358,010,368/120,096,725,461.93
  6. Step 6: Final answer
    x = 90,947,252,999.90

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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.