Home / 107,617,028,170.40-161,425,542,255.60-74,143,897,920.80

Finding the Fourth Proportional to 107,617,028,170.40, 161,425,542,255.60 and 74,143,897,920.80

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Solution

The fourth proportional to 107,617,028,170.40, 161,425,542,255.60 and 74,143,897,920.80 is: 111,215,846,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,617,028,170.40 : 161,425,542,255.60 = 74,143,897,920.80 : x
  2. Step 2: Convert to fraction form
    107,617,028,170.40/161,425,542,255.60 = 74,143,897,920.80/x
  3. Step 3: Cross multiply
    107,617,028,170.40x = 161,425,542,255.60 × 74,143,897,920.80
  4. Step 4: Simplify right side
    107,617,028,170.40x = 11,968,718,926,808,994,545,664
  5. Step 5: Solve for x
    x = 11,968,718,926,808,994,545,664/107,617,028,170.40
  6. Step 6: Final answer
    x = 111,215,846,881.20

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Double scale
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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.