Home / 160,512,984.64-221,521,579.68-90,910,747.36

Finding the Fourth Proportional to 160,512,984.64, 221,521,579.68 and 90,910,747.36

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Solution

The fourth proportional to 160,512,984.64, 221,521,579.68 and 90,910,747.36 is: 125,464,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,512,984.64 : 221,521,579.68 = 90,910,747.36 : x
  2. Step 2: Convert to fraction form
    160,512,984.64/221,521,579.68 = 90,910,747.36/x
  3. Step 3: Cross multiply
    160,512,984.64x = 221,521,579.68 × 90,910,747.36
  4. Step 4: Simplify right side
    160,512,984.64x = 20,138,692,365,076,592
  5. Step 5: Solve for x
    x = 20,138,692,365,076,592/160,512,984.64
  6. Step 6: Final answer
    x = 125,464,568.55

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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.