Home / 30,029,135.46-44,970,963.81-20,781,194.22

Finding the Fourth Proportional to 30,029,135.46, 44,970,963.81 and 20,781,194.22

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Solution

The fourth proportional to 30,029,135.46, 44,970,963.81 and 20,781,194.22 is: 31,121,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029,135.46 : 44,970,963.81 = 20,781,194.22 : x
  2. Step 2: Convert to fraction form
    30,029,135.46/44,970,963.81 = 20,781,194.22/x
  3. Step 3: Cross multiply
    30,029,135.46x = 44,970,963.81 × 20,781,194.22
  4. Step 4: Simplify right side
    30,029,135.46x = 934,550,333,196,201.12
  5. Step 5: Solve for x
    x = 934,550,333,196,201.12/30,029,135.46
  6. Step 6: Final answer
    x = 31,121,453.18

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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.