Home / 107,883,913.92-148,752,588.96-87,193,377.60

Finding the Fourth Proportional to 107,883,913.92, 148,752,588.96 and 87,193,377.60

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Solution

The fourth proportional to 107,883,913.92, 148,752,588.96 and 87,193,377.60 is: 120,224,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,883,913.92 : 148,752,588.96 = 87,193,377.60 : x
  2. Step 2: Convert to fraction form
    107,883,913.92/148,752,588.96 = 87,193,377.60/x
  3. Step 3: Cross multiply
    107,883,913.92x = 148,752,588.96 × 87,193,377.60
  4. Step 4: Simplify right side
    107,883,913.92x = 12,970,240,658,166,872
  5. Step 5: Solve for x
    x = 12,970,240,658,166,872/107,883,913.92
  6. Step 6: Final answer
    x = 120,224,046.26

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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.