Home / 136,340,113.79-188,153,999.93-80,633,287.19

Finding the Fourth Proportional to 136,340,113.79, 188,153,999.93 and 80,633,287.19

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Solution

The fourth proportional to 136,340,113.79, 188,153,999.93 and 80,633,287.19 is: 111,276,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,113.79 : 188,153,999.93 = 80,633,287.19 : x
  2. Step 2: Convert to fraction form
    136,340,113.79/188,153,999.93 = 80,633,287.19/x
  3. Step 3: Cross multiply
    136,340,113.79x = 188,153,999.93 × 80,633,287.19
  4. Step 4: Simplify right side
    136,340,113.79x = 15,171,475,511,563,744
  5. Step 5: Solve for x
    x = 15,171,475,511,563,744/136,340,113.79
  6. Step 6: Final answer
    x = 111,276,682.19

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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.