Home / 90,023,812.50-135,035,720.36-21,866,044.98

Finding the Fourth Proportional to 90,023,812.50, 135,035,720.36 and 21,866,044.98

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Solution

The fourth proportional to 90,023,812.50, 135,035,720.36 and 21,866,044.98 is: 32,799,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,023,812.50 : 135,035,720.36 = 21,866,044.98 : x
  2. Step 2: Convert to fraction form
    90,023,812.50/135,035,720.36 = 21,866,044.98/x
  3. Step 3: Cross multiply
    90,023,812.50x = 135,035,720.36 × 21,866,044.98
  4. Step 4: Simplify right side
    90,023,812.50x = 2,952,697,135,298,462
  5. Step 5: Solve for x
    x = 2,952,697,135,298,462/90,023,812.50
  6. Step 6: Final answer
    x = 32,799,067.86

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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.