Home / 107,638,272,001.20-161,457,408,001.80-57,428,576,626.80

Finding the Fourth Proportional to 107,638,272,001.20, 161,457,408,001.80 and 57,428,576,626.80

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Solution

The fourth proportional to 107,638,272,001.20, 161,457,408,001.80 and 57,428,576,626.80 is: 86,142,864,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,638,272,001.20 : 161,457,408,001.80 = 57,428,576,626.80 : x
  2. Step 2: Convert to fraction form
    107,638,272,001.20/161,457,408,001.80 = 57,428,576,626.80/x
  3. Step 3: Cross multiply
    107,638,272,001.20x = 161,457,408,001.80 × 57,428,576,626.80
  4. Step 4: Simplify right side
    107,638,272,001.20x = 9,272,269,127,395,882,041,344
  5. Step 5: Solve for x
    x = 9,272,269,127,395,882,041,344/107,638,272,001.20
  6. Step 6: Final answer
    x = 86,142,864,940.20

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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.