Home / 140,246,338.93-193,559,174.04-80,706,411.43

Finding the Fourth Proportional to 140,246,338.93, 193,559,174.04 and 80,706,411.43

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Solution

The fourth proportional to 140,246,338.93, 193,559,174.04 and 80,706,411.43 is: 111,385,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,246,338.93 : 193,559,174.04 = 80,706,411.43 : x
  2. Step 2: Convert to fraction form
    140,246,338.93/193,559,174.04 = 80,706,411.43/x
  3. Step 3: Cross multiply
    140,246,338.93x = 193,559,174.04 × 80,706,411.43
  4. Step 4: Simplify right side
    140,246,338.93x = 15,621,466,336,123,216
  5. Step 5: Solve for x
    x = 15,621,466,336,123,216/140,246,338.93
  6. Step 6: Final answer
    x = 111,385,911.78

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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.