Home / 168,273,863.60-252,410,795.40-76,157,423.60

Finding the Fourth Proportional to 168,273,863.60, 252,410,795.40 and 76,157,423.60

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Solution

The fourth proportional to 168,273,863.60, 252,410,795.40 and 76,157,423.60 is: 114,236,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273,863.60 : 252,410,795.40 = 76,157,423.60 : x
  2. Step 2: Convert to fraction form
    168,273,863.60/252,410,795.40 = 76,157,423.60/x
  3. Step 3: Cross multiply
    168,273,863.60x = 252,410,795.40 × 76,157,423.60
  4. Step 4: Simplify right side
    168,273,863.60x = 19,222,955,866,490,732
  5. Step 5: Solve for x
    x = 19,222,955,866,490,732/168,273,863.60
  6. Step 6: Final answer
    x = 114,236,135.40

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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.