Home / 379,068,988.64-568,638,183.48-106,437,918.56

Finding the Fourth Proportional to 379,068,988.64, 568,638,183.48 and 106,437,918.56

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Solution

The fourth proportional to 379,068,988.64, 568,638,183.48 and 106,437,918.56 is: 159,666,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,068,988.64 : 568,638,183.48 = 106,437,918.56 : x
  2. Step 2: Convert to fraction form
    379,068,988.64/568,638,183.48 = 106,437,918.56/x
  3. Step 3: Cross multiply
    379,068,988.64x = 568,638,183.48 × 106,437,918.56
  4. Step 4: Simplify right side
    379,068,988.64x = 60,524,664,663,350,584
  5. Step 5: Solve for x
    x = 60,524,664,663,350,584/379,068,988.64
  6. Step 6: Final answer
    x = 159,666,621.32

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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.