Home / 53,180,100.32-73,394,180.63-31,172,090.54

Finding the Fourth Proportional to 53,180,100.32, 73,394,180.63 and 31,172,090.54

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Solution

The fourth proportional to 53,180,100.32, 73,394,180.63 and 31,172,090.54 is: 43,020,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180,100.32 : 73,394,180.63 = 31,172,090.54 : x
  2. Step 2: Convert to fraction form
    53,180,100.32/73,394,180.63 = 31,172,090.54/x
  3. Step 3: Cross multiply
    53,180,100.32x = 73,394,180.63 × 31,172,090.54
  4. Step 4: Simplify right side
    53,180,100.32x = 2,287,850,043,714,380.50
  5. Step 5: Solve for x
    x = 2,287,850,043,714,380.50/53,180,100.32
  6. Step 6: Final answer
    x = 43,020,792.17

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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.