Home / 90,799,138.90-136,173,489.81-25,205,196.34

Finding the Fourth Proportional to 90,799,138.90, 136,173,489.81 and 25,205,196.34

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Solution

The fourth proportional to 90,799,138.90, 136,173,489.81 and 25,205,196.34 is: 37,800,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,799,138.90 : 136,173,489.81 = 25,205,196.34 : x
  2. Step 2: Convert to fraction form
    90,799,138.90/136,173,489.81 = 25,205,196.34/x
  3. Step 3: Cross multiply
    90,799,138.90x = 136,173,489.81 × 25,205,196.34
  4. Step 4: Simplify right side
    90,799,138.90x = 3,432,279,546,692,356.50
  5. Step 5: Solve for x
    x = 3,432,279,546,692,356.50/90,799,138.90
  6. Step 6: Final answer
    x = 37,800,794.02

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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.