Home / 124,119,725.96-171,285,213.71-71,939,028.87

Finding the Fourth Proportional to 124,119,725.96, 171,285,213.71 and 71,939,028.87

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Solution

The fourth proportional to 124,119,725.96, 171,285,213.71 and 71,939,028.87 is: 99,275,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,119,725.96 : 171,285,213.71 = 71,939,028.87 : x
  2. Step 2: Convert to fraction form
    124,119,725.96/171,285,213.71 = 71,939,028.87/x
  3. Step 3: Cross multiply
    124,119,725.96x = 171,285,213.71 × 71,939,028.87
  4. Step 4: Simplify right side
    124,119,725.96x = 12,322,091,933,728,116
  5. Step 5: Solve for x
    x = 12,322,091,933,728,116/124,119,725.96
  6. Step 6: Final answer
    x = 99,275,855.14

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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.