Home / 90,733,823.40-136,100,735.10-82,797,637.80

Finding the Fourth Proportional to 90,733,823.40, 136,100,735.10 and 82,797,637.80

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Solution

The fourth proportional to 90,733,823.40, 136,100,735.10 and 82,797,637.80 is: 124,196,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733,823.40 : 136,100,735.10 = 82,797,637.80 : x
  2. Step 2: Convert to fraction form
    90,733,823.40/136,100,735.10 = 82,797,637.80/x
  3. Step 3: Cross multiply
    90,733,823.40x = 136,100,735.10 × 82,797,637.80
  4. Step 4: Simplify right side
    90,733,823.40x = 11,268,819,369,123,546
  5. Step 5: Solve for x
    x = 11,268,819,369,123,546/90,733,823.40
  6. Step 6: Final answer
    x = 124,196,456.70

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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.