Home / 132,890,912.80-199,392,356.40-72,350,087.20

Finding the Fourth Proportional to 132,890,912.80, 199,392,356.40 and 72,350,087.20

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Solution

The fourth proportional to 132,890,912.80, 199,392,356.40 and 72,350,087.20 is: 108,555,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890,912.80 : 199,392,356.40 = 72,350,087.20 : x
  2. Step 2: Convert to fraction form
    132,890,912.80/199,392,356.40 = 72,350,087.20/x
  3. Step 3: Cross multiply
    132,890,912.80x = 199,392,356.40 × 72,350,087.20
  4. Step 4: Simplify right side
    132,890,912.80x = 14,426,054,372,553,480
  5. Step 5: Solve for x
    x = 14,426,054,372,553,480/132,890,912.80
  6. Step 6: Final answer
    x = 108,555,612.03

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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.