Home / 140,340,377.45-193,659,889.22-81,598,875.12

Finding the Fourth Proportional to 140,340,377.45, 193,659,889.22 and 81,598,875.12

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Solution

The fourth proportional to 140,340,377.45, 193,659,889.22 and 81,598,875.12 is: 112,600,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340,377.45 : 193,659,889.22 = 81,598,875.12 : x
  2. Step 2: Convert to fraction form
    140,340,377.45/193,659,889.22 = 81,598,875.12/x
  3. Step 3: Cross multiply
    140,340,377.45x = 193,659,889.22 × 81,598,875.12
  4. Step 4: Simplify right side
    140,340,377.45x = 15,802,429,116,215,816
  5. Step 5: Solve for x
    x = 15,802,429,116,215,816/140,340,377.45
  6. Step 6: Final answer
    x = 112,600,731.19

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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.