Home / 118,194,311.25-163,106,446.89-65,273,258.15

Finding the Fourth Proportional to 118,194,311.25, 163,106,446.89 and 65,273,258.15

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Solution

The fourth proportional to 118,194,311.25, 163,106,446.89 and 65,273,258.15 is: 90,076,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194,311.25 : 163,106,446.89 = 65,273,258.15 : x
  2. Step 2: Convert to fraction form
    118,194,311.25/163,106,446.89 = 65,273,258.15/x
  3. Step 3: Cross multiply
    118,194,311.25x = 163,106,446.89 × 65,273,258.15
  4. Step 4: Simplify right side
    118,194,311.25x = 10,646,489,212,964,702
  5. Step 5: Solve for x
    x = 10,646,489,212,964,702/118,194,311.25
  6. Step 6: Final answer
    x = 90,076,155.95

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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.