Home / 217,168,393.40-325,752,590.10-131,004,092.60

Finding the Fourth Proportional to 217,168,393.40, 325,752,590.10 and 131,004,092.60

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Solution

The fourth proportional to 217,168,393.40, 325,752,590.10 and 131,004,092.60 is: 196,506,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,168,393.40 : 325,752,590.10 = 131,004,092.60 : x
  2. Step 2: Convert to fraction form
    217,168,393.40/325,752,590.10 = 131,004,092.60/x
  3. Step 3: Cross multiply
    217,168,393.40x = 325,752,590.10 × 131,004,092.60
  4. Step 4: Simplify right side
    217,168,393.40x = 42,674,922,478,150,248
  5. Step 5: Solve for x
    x = 42,674,922,478,150,248/217,168,393.40
  6. Step 6: Final answer
    x = 196,506,138.90

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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.