Home / 140,340,407.46-193,659,930.64-81,598,905.14

Finding the Fourth Proportional to 140,340,407.46, 193,659,930.64 and 81,598,905.14

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Solution

The fourth proportional to 140,340,407.46, 193,659,930.64 and 81,598,905.14 is: 112,600,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340,407.46 : 193,659,930.64 = 81,598,905.14 : x
  2. Step 2: Convert to fraction form
    140,340,407.46/193,659,930.64 = 81,598,905.14/x
  3. Step 3: Cross multiply
    140,340,407.46x = 193,659,930.64 × 81,598,905.14
  4. Step 4: Simplify right side
    140,340,407.46x = 15,802,438,309,712,338
  5. Step 5: Solve for x
    x = 15,802,438,309,712,338/140,340,407.46
  6. Step 6: Final answer
    x = 112,600,772.62

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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.