Home / 186,409,025.46-280,226,520.27-172,924,956.68

Finding the Fourth Proportional to 186,409,025.46, 280,226,520.27 and 172,924,956.68

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Solution

The fourth proportional to 186,409,025.46, 280,226,520.27 and 172,924,956.68 is: 259,956,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,409,025.46 : 280,226,520.27 = 172,924,956.68 : x
  2. Step 2: Convert to fraction form
    186,409,025.46/280,226,520.27 = 172,924,956.68/x
  3. Step 3: Cross multiply
    186,409,025.46x = 280,226,520.27 × 172,924,956.68
  4. Step 4: Simplify right side
    186,409,025.46x = 48,458,158,876,875,760
  5. Step 5: Solve for x
    x = 48,458,158,876,875,760/186,409,025.46
  6. Step 6: Final answer
    x = 259,956,076.47

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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.