Home / 109,394,856.94-151,011,385.95-68,162,121.22

Finding the Fourth Proportional to 109,394,856.94, 151,011,385.95 and 68,162,121.22

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Solution

The fourth proportional to 109,394,856.94, 151,011,385.95 and 68,162,121.22 is: 94,092,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,394,856.94 : 151,011,385.95 = 68,162,121.22 : x
  2. Step 2: Convert to fraction form
    109,394,856.94/151,011,385.95 = 68,162,121.22/x
  3. Step 3: Cross multiply
    109,394,856.94x = 151,011,385.95 × 68,162,121.22
  4. Step 4: Simplify right side
    109,394,856.94x = 10,293,256,394,724,104
  5. Step 5: Solve for x
    x = 10,293,256,394,724,104/109,394,856.94
  6. Step 6: Final answer
    x = 94,092,690.30

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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.