Home / 79,119,376.07-109,183,293.90-43,837,052.49

Finding the Fourth Proportional to 79,119,376.07, 109,183,293.90 and 43,837,052.49

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Solution

The fourth proportional to 79,119,376.07, 109,183,293.90 and 43,837,052.49 is: 60,494,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,119,376.07 : 109,183,293.90 = 43,837,052.49 : x
  2. Step 2: Convert to fraction form
    79,119,376.07/109,183,293.90 = 43,837,052.49/x
  3. Step 3: Cross multiply
    79,119,376.07x = 109,183,293.90 × 43,837,052.49
  4. Step 4: Simplify right side
    79,119,376.07x = 4,786,273,785,725,397
  5. Step 5: Solve for x
    x = 4,786,273,785,725,397/79,119,376.07
  6. Step 6: Final answer
    x = 60,494,331.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.