Home / 132,868,135.60-199,152,904.20-68,146,932.40

Finding the Fourth Proportional to 132,868,135.60, 199,152,904.20 and 68,146,932.40

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Solution

The fourth proportional to 132,868,135.60, 199,152,904.20 and 68,146,932.40 is: 102,143,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,135.60 : 199,152,904.20 = 68,146,932.40 : x
  2. Step 2: Convert to fraction form
    132,868,135.60/199,152,904.20 = 68,146,932.40/x
  3. Step 3: Cross multiply
    132,868,135.60x = 199,152,904.20 × 68,146,932.40
  4. Step 4: Simplify right side
    132,868,135.60x = 13,571,659,499,781,076
  5. Step 5: Solve for x
    x = 13,571,659,499,781,076/132,868,135.60
  6. Step 6: Final answer
    x = 102,143,824.31

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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.