Home / 292,414,673.20-438,622,009.80-120,015,212.80

Finding the Fourth Proportional to 292,414,673.20, 438,622,009.80 and 120,015,212.80

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Solution

The fourth proportional to 292,414,673.20, 438,622,009.80 and 120,015,212.80 is: 180,022,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,414,673.20 : 438,622,009.80 = 120,015,212.80 : x
  2. Step 2: Convert to fraction form
    292,414,673.20/438,622,009.80 = 120,015,212.80/x
  3. Step 3: Cross multiply
    292,414,673.20x = 438,622,009.80 × 120,015,212.80
  4. Step 4: Simplify right side
    292,414,673.20x = 52,641,313,844,910,688
  5. Step 5: Solve for x
    x = 52,641,313,844,910,688/292,414,673.20
  6. Step 6: Final answer
    x = 180,022,819.20

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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.