Home / 217,763,999.10-326,645,998.65-140,669,624.70

Finding the Fourth Proportional to 217,763,999.10, 326,645,998.65 and 140,669,624.70

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Solution

The fourth proportional to 217,763,999.10, 326,645,998.65 and 140,669,624.70 is: 211,004,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,763,999.10 : 326,645,998.65 = 140,669,624.70 : x
  2. Step 2: Convert to fraction form
    217,763,999.10/326,645,998.65 = 140,669,624.70/x
  3. Step 3: Cross multiply
    217,763,999.10x = 326,645,998.65 × 140,669,624.70
  4. Step 4: Simplify right side
    217,763,999.10x = 45,949,170,039,852,200
  5. Step 5: Solve for x
    x = 45,949,170,039,852,200/217,763,999.10
  6. Step 6: Final answer
    x = 211,004,437.05

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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.