Home / 217,817,151.90-326,725,727.85-168,499,427.10

Finding the Fourth Proportional to 217,817,151.90, 326,725,727.85 and 168,499,427.10

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Solution

The fourth proportional to 217,817,151.90, 326,725,727.85 and 168,499,427.10 is: 252,749,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,817,151.90 : 326,725,727.85 = 168,499,427.10 : x
  2. Step 2: Convert to fraction form
    217,817,151.90/326,725,727.85 = 168,499,427.10/x
  3. Step 3: Cross multiply
    217,817,151.90x = 326,725,727.85 × 168,499,427.10
  4. Step 4: Simplify right side
    217,817,151.90x = 55,053,097,961,555,520
  5. Step 5: Solve for x
    x = 55,053,097,961,555,520/217,817,151.90
  6. Step 6: Final answer
    x = 252,749,140.65

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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.