Home / 136,522,246.20-204,783,369.30-90,605,743.80

Finding the Fourth Proportional to 136,522,246.20, 204,783,369.30 and 90,605,743.80

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Solution

The fourth proportional to 136,522,246.20, 204,783,369.30 and 90,605,743.80 is: 135,908,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,522,246.20 : 204,783,369.30 = 90,605,743.80 : x
  2. Step 2: Convert to fraction form
    136,522,246.20/204,783,369.30 = 90,605,743.80/x
  3. Step 3: Cross multiply
    136,522,246.20x = 204,783,369.30 × 90,605,743.80
  4. Step 4: Simplify right side
    136,522,246.20x = 18,554,549,493,296,584
  5. Step 5: Solve for x
    x = 18,554,549,493,296,584/136,522,246.20
  6. Step 6: Final answer
    x = 135,908,615.70

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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.