Home / 122,251,197.60-168,705,709.20-67,245,847.20

Finding the Fourth Proportional to 122,251,197.60, 168,705,709.20 and 67,245,847.20

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Solution

The fourth proportional to 122,251,197.60, 168,705,709.20 and 67,245,847.20 is: 92,798,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,251,197.60 : 168,705,709.20 = 67,245,847.20 : x
  2. Step 2: Convert to fraction form
    122,251,197.60/168,705,709.20 = 67,245,847.20/x
  3. Step 3: Cross multiply
    122,251,197.60x = 168,705,709.20 × 67,245,847.20
  4. Step 4: Simplify right side
    122,251,197.60x = 11,344,758,342,630,834
  5. Step 5: Solve for x
    x = 11,344,758,342,630,834/122,251,197.60
  6. Step 6: Final answer
    x = 92,798,750.16

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1.5x scale

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.