Home / 217,817,153.90-326,725,730.85-168,499,429.10

Finding the Fourth Proportional to 217,817,153.90, 326,725,730.85 and 168,499,429.10

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Solution

The fourth proportional to 217,817,153.90, 326,725,730.85 and 168,499,429.10 is: 252,749,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,817,153.90 : 326,725,730.85 = 168,499,429.10 : x
  2. Step 2: Convert to fraction form
    217,817,153.90/326,725,730.85 = 168,499,429.10/x
  3. Step 3: Cross multiply
    217,817,153.90x = 326,725,730.85 × 168,499,429.10
  4. Step 4: Simplify right side
    217,817,153.90x = 55,053,099,120,505,256
  5. Step 5: Solve for x
    x = 55,053,099,120,505,256/217,817,153.90
  6. Step 6: Final answer
    x = 252,749,143.65

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1.5x scale

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.