Home / 255,502,398.20-383,256,638.60-71,258,664.47

Finding the Fourth Proportional to 255,502,398.20, 383,256,638.60 and 71,258,664.47

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Solution

The fourth proportional to 255,502,398.20, 383,256,638.60 and 71,258,664.47 is: 106,888,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,502,398.20 : 383,256,638.60 = 71,258,664.47 : x
  2. Step 2: Convert to fraction form
    255,502,398.20/383,256,638.60 = 71,258,664.47/x
  3. Step 3: Cross multiply
    255,502,398.20x = 383,256,638.60 × 71,258,664.47
  4. Step 4: Simplify right side
    255,502,398.20x = 27,310,356,213,624,876
  5. Step 5: Solve for x
    x = 27,310,356,213,624,876/255,502,398.20
  6. Step 6: Final answer
    x = 106,888,844.91

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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.