Home / 88,931,847.60-122,729,785.32-49,239,378.12

Finding the Fourth Proportional to 88,931,847.60, 122,729,785.32 and 49,239,378.12

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Solution

The fourth proportional to 88,931,847.60, 122,729,785.32 and 49,239,378.12 is: 67,952,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,931,847.60 : 122,729,785.32 = 49,239,378.12 : x
  2. Step 2: Convert to fraction form
    88,931,847.60/122,729,785.32 = 49,239,378.12/x
  3. Step 3: Cross multiply
    88,931,847.60x = 122,729,785.32 × 49,239,378.12
  4. Step 4: Simplify right side
    88,931,847.60x = 6,043,138,305,957,905
  5. Step 5: Solve for x
    x = 6,043,138,305,957,905/88,931,847.60
  6. Step 6: Final answer
    x = 67,952,465.50

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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.