Home / 106,978,229.40-160,467,344.10-105,970,459.80

Finding the Fourth Proportional to 106,978,229.40, 160,467,344.10 and 105,970,459.80

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Solution

The fourth proportional to 106,978,229.40, 160,467,344.10 and 105,970,459.80 is: 158,955,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,978,229.40 : 160,467,344.10 = 105,970,459.80 : x
  2. Step 2: Convert to fraction form
    106,978,229.40/160,467,344.10 = 105,970,459.80/x
  3. Step 3: Cross multiply
    106,978,229.40x = 160,467,344.10 × 105,970,459.80
  4. Step 4: Simplify right side
    106,978,229.40x = 17,004,798,237,161,816
  5. Step 5: Solve for x
    x = 17,004,798,237,161,816/106,978,229.40
  6. Step 6: Final answer
    x = 158,955,689.70

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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.