Home / 140,340,404.95-193,659,927.19-81,598,902.64

Finding the Fourth Proportional to 140,340,404.95, 193,659,927.19 and 81,598,902.64

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Solution

The fourth proportional to 140,340,404.95, 193,659,927.19 and 81,598,902.64 is: 112,600,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340,404.95 : 193,659,927.19 = 81,598,902.64 : x
  2. Step 2: Convert to fraction form
    140,340,404.95/193,659,927.19 = 81,598,902.64/x
  3. Step 3: Cross multiply
    140,340,404.95x = 193,659,927.19 × 81,598,902.64
  4. Step 4: Simplify right side
    140,340,404.95x = 15,802,437,544,046,298
  5. Step 5: Solve for x
    x = 15,802,437,544,046,298/140,340,404.95
  6. Step 6: Final answer
    x = 112,600,769.18

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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.