Home / 196,254,956.71-270,833,631.51-108,152,115.58

Finding the Fourth Proportional to 196,254,956.71, 270,833,631.51 and 108,152,115.58

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Solution

The fourth proportional to 196,254,956.71, 270,833,631.51 and 108,152,115.58 is: 149,250,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,254,956.71 : 270,833,631.51 = 108,152,115.58 : x
  2. Step 2: Convert to fraction form
    196,254,956.71/270,833,631.51 = 108,152,115.58/x
  3. Step 3: Cross multiply
    196,254,956.71x = 270,833,631.51 × 108,152,115.58
  4. Step 4: Simplify right side
    196,254,956.71x = 29,291,230,218,020,648
  5. Step 5: Solve for x
    x = 29,291,230,218,020,648/196,254,956.71
  6. Step 6: Final answer
    x = 149,250,906.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.