Home / 100,166,591.71-138,359,562.92-82,832,954.59

Finding the Fourth Proportional to 100,166,591.71, 138,359,562.92 and 82,832,954.59

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Solution

The fourth proportional to 100,166,591.71, 138,359,562.92 and 82,832,954.59 is: 114,416,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,166,591.71 : 138,359,562.92 = 82,832,954.59 : x
  2. Step 2: Convert to fraction form
    100,166,591.71/138,359,562.92 = 82,832,954.59/x
  3. Step 3: Cross multiply
    100,166,591.71x = 138,359,562.92 × 82,832,954.59
  4. Step 4: Simplify right side
    100,166,591.71x = 11,460,731,392,444,608
  5. Step 5: Solve for x
    x = 11,460,731,392,444,608/100,166,591.71
  6. Step 6: Final answer
    x = 114,416,705.18

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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.