Home / 216,972,451.20-325,458,676.80-130,808,150.40

Finding the Fourth Proportional to 216,972,451.20, 325,458,676.80 and 130,808,150.40

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Solution

The fourth proportional to 216,972,451.20, 325,458,676.80 and 130,808,150.40 is: 196,212,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,972,451.20 : 325,458,676.80 = 130,808,150.40 : x
  2. Step 2: Convert to fraction form
    216,972,451.20/325,458,676.80 = 130,808,150.40/x
  3. Step 3: Cross multiply
    216,972,451.20x = 325,458,676.80 × 130,808,150.40
  4. Step 4: Simplify right side
    216,972,451.20x = 42,572,647,543,839,392
  5. Step 5: Solve for x
    x = 42,572,647,543,839,392/216,972,451.20
  6. Step 6: Final answer
    x = 196,212,225.60

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1.5x scale

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.