Home / 132,097,892.40-198,146,838.60-91,787,108.40

Finding the Fourth Proportional to 132,097,892.40, 198,146,838.60 and 91,787,108.40

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Solution

The fourth proportional to 132,097,892.40, 198,146,838.60 and 91,787,108.40 is: 137,680,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,097,892.40 : 198,146,838.60 = 91,787,108.40 : x
  2. Step 2: Convert to fraction form
    132,097,892.40/198,146,838.60 = 91,787,108.40/x
  3. Step 3: Cross multiply
    132,097,892.40x = 198,146,838.60 × 91,787,108.40
  4. Step 4: Simplify right side
    132,097,892.40x = 18,187,325,353,695,504
  5. Step 5: Solve for x
    x = 18,187,325,353,695,504/132,097,892.40
  6. Step 6: Final answer
    x = 137,680,662.60

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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.