Home / 129,310,258.80-193,965,388.20-106,352,007.60

Finding the Fourth Proportional to 129,310,258.80, 193,965,388.20 and 106,352,007.60

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Solution

The fourth proportional to 129,310,258.80, 193,965,388.20 and 106,352,007.60 is: 159,528,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,310,258.80 : 193,965,388.20 = 106,352,007.60 : x
  2. Step 2: Convert to fraction form
    129,310,258.80/193,965,388.20 = 106,352,007.60/x
  3. Step 3: Cross multiply
    129,310,258.80x = 193,965,388.20 × 106,352,007.60
  4. Step 4: Simplify right side
    129,310,258.80x = 20,628,608,439,983,348
  5. Step 5: Solve for x
    x = 20,628,608,439,983,348/129,310,258.80
  6. Step 6: Final answer
    x = 159,528,011.40

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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.