Home / 121,479,551.70-182,219,327.55-112,126,190.10

Finding the Fourth Proportional to 121,479,551.70, 182,219,327.55 and 112,126,190.10

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Solution

The fourth proportional to 121,479,551.70, 182,219,327.55 and 112,126,190.10 is: 168,189,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,479,551.70 : 182,219,327.55 = 112,126,190.10 : x
  2. Step 2: Convert to fraction form
    121,479,551.70/182,219,327.55 = 112,126,190.10/x
  3. Step 3: Cross multiply
    121,479,551.70x = 182,219,327.55 × 112,126,190.10
  4. Step 4: Simplify right side
    121,479,551.70x = 20,431,558,960,765,468
  5. Step 5: Solve for x
    x = 20,431,558,960,765,468/121,479,551.70
  6. Step 6: Final answer
    x = 168,189,285.15

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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.