Home / 136,220,184.08-187,981,230.90-74,340,965.50

Finding the Fourth Proportional to 136,220,184.08, 187,981,230.90 and 74,340,965.50

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Solution

The fourth proportional to 136,220,184.08, 187,981,230.90 and 74,340,965.50 is: 102,589,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,220,184.08 : 187,981,230.90 = 74,340,965.50 : x
  2. Step 2: Convert to fraction form
    136,220,184.08/187,981,230.90 = 74,340,965.50/x
  3. Step 3: Cross multiply
    136,220,184.08x = 187,981,230.90 × 74,340,965.50
  4. Step 4: Simplify right side
    136,220,184.08x = 13,974,706,200,984,434
  5. Step 5: Solve for x
    x = 13,974,706,200,984,434/136,220,184.08
  6. Step 6: Final answer
    x = 102,589,100.84

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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.