Home / 203,473,758.60-305,229,300.30-67,159,441.80

Finding the Fourth Proportional to 203,473,758.60, 305,229,300.30 and 67,159,441.80

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Solution

The fourth proportional to 203,473,758.60, 305,229,300.30 and 67,159,441.80 is: 100,745,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,473,758.60 : 305,229,300.30 = 67,159,441.80 : x
  2. Step 2: Convert to fraction form
    203,473,758.60/305,229,300.30 = 67,159,441.80/x
  3. Step 3: Cross multiply
    203,473,758.60x = 305,229,300.30 × 67,159,441.80
  4. Step 4: Simplify right side
    203,473,758.60x = 20,499,029,429,152,572
  5. Step 5: Solve for x
    x = 20,499,029,429,152,572/203,473,758.60
  6. Step 6: Final answer
    x = 100,745,322.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.