Home / 84,744,071.70-127,116,107.55-65,612,195.70

Finding the Fourth Proportional to 84,744,071.70, 127,116,107.55 and 65,612,195.70

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Solution

The fourth proportional to 84,744,071.70, 127,116,107.55 and 65,612,195.70 is: 98,418,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744,071.70 : 127,116,107.55 = 65,612,195.70 : x
  2. Step 2: Convert to fraction form
    84,744,071.70/127,116,107.55 = 65,612,195.70/x
  3. Step 3: Cross multiply
    84,744,071.70x = 127,116,107.55 × 65,612,195.70
  4. Step 4: Simplify right side
    84,744,071.70x = 8,340,366,925,192,848
  5. Step 5: Solve for x
    x = 8,340,366,925,192,848/84,744,071.70
  6. Step 6: Final answer
    x = 98,418,293.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.