Home / 131,819,687.66-197,773,486.20-87,677,994.08

Finding the Fourth Proportional to 131,819,687.66, 197,773,486.20 and 87,677,994.08

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Solution

The fourth proportional to 131,819,687.66, 197,773,486.20 and 87,677,994.08 is: 131,546,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,819,687.66 : 197,773,486.20 = 87,677,994.08 : x
  2. Step 2: Convert to fraction form
    131,819,687.66/197,773,486.20 = 87,677,994.08/x
  3. Step 3: Cross multiply
    131,819,687.66x = 197,773,486.20 × 87,677,994.08
  4. Step 4: Simplify right side
    131,819,687.66x = 17,340,382,552,224,560
  5. Step 5: Solve for x
    x = 17,340,382,552,224,560/131,819,687.66
  6. Step 6: Final answer
    x = 131,546,226.97

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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.