Home / 140,340,378.70-193,659,890.95-81,598,876.37

Finding the Fourth Proportional to 140,340,378.70, 193,659,890.95 and 81,598,876.37

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Solution

The fourth proportional to 140,340,378.70, 193,659,890.95 and 81,598,876.37 is: 112,600,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340,378.70 : 193,659,890.95 = 81,598,876.37 : x
  2. Step 2: Convert to fraction form
    140,340,378.70/193,659,890.95 = 81,598,876.37/x
  3. Step 3: Cross multiply
    140,340,378.70x = 193,659,890.95 × 81,598,876.37
  4. Step 4: Simplify right side
    140,340,378.70x = 15,802,429,498,768,586
  5. Step 5: Solve for x
    x = 15,802,429,498,768,586/140,340,378.70
  6. Step 6: Final answer
    x = 112,600,732.91

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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.