Home / 90,355,540.40-135,533,310.60-29,763,393.20

Finding the Fourth Proportional to 90,355,540.40, 135,533,310.60 and 29,763,393.20

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Solution

The fourth proportional to 90,355,540.40, 135,533,310.60 and 29,763,393.20 is: 44,645,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355,540.40 : 135,533,310.60 = 29,763,393.20 : x
  2. Step 2: Convert to fraction form
    90,355,540.40/135,533,310.60 = 29,763,393.20/x
  3. Step 3: Cross multiply
    90,355,540.40x = 135,533,310.60 × 29,763,393.20
  4. Step 4: Simplify right side
    90,355,540.40x = 4,033,931,215,085,527.50
  5. Step 5: Solve for x
    x = 4,033,931,215,085,527.50/90,355,540.40
  6. Step 6: Final answer
    x = 44,645,089.80

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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.