Home / 189,251,498.72-261,161,208.24-106,744,095.20

Finding the Fourth Proportional to 189,251,498.72, 261,161,208.24 and 106,744,095.20

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Solution

The fourth proportional to 189,251,498.72, 261,161,208.24 and 106,744,095.20 is: 147,303,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,251,498.72 : 261,161,208.24 = 106,744,095.20 : x
  2. Step 2: Convert to fraction form
    189,251,498.72/261,161,208.24 = 106,744,095.20/x
  3. Step 3: Cross multiply
    189,251,498.72x = 261,161,208.24 × 106,744,095.20
  4. Step 4: Simplify right side
    189,251,498.72x = 27,877,416,874,917,588
  5. Step 5: Solve for x
    x = 27,877,416,874,917,588/189,251,498.72
  6. Step 6: Final answer
    x = 147,303,546.15

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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.