Home / 165,018,625.50-227,727,515.70-90,679,205.28

Finding the Fourth Proportional to 165,018,625.50, 227,727,515.70 and 90,679,205.28

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Solution

The fourth proportional to 165,018,625.50, 227,727,515.70 and 90,679,205.28 is: 125,138,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,018,625.50 : 227,727,515.70 = 90,679,205.28 : x
  2. Step 2: Convert to fraction form
    165,018,625.50/227,727,515.70 = 90,679,205.28/x
  3. Step 3: Cross multiply
    165,018,625.50x = 227,727,515.70 × 90,679,205.28
  4. Step 4: Simplify right side
    165,018,625.50x = 20,650,150,144,064,724
  5. Step 5: Solve for x
    x = 20,650,150,144,064,724/165,018,625.50
  6. Step 6: Final answer
    x = 125,138,299.28

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1.5x scale

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.