Home / 121,479,551.33-182,219,326.99-112,126,189.73

Finding the Fourth Proportional to 121,479,551.33, 182,219,326.99 and 112,126,189.73

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Solution

The fourth proportional to 121,479,551.33, 182,219,326.99 and 112,126,189.73 is: 168,189,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,479,551.33 : 182,219,326.99 = 112,126,189.73 : x
  2. Step 2: Convert to fraction form
    121,479,551.33/182,219,326.99 = 112,126,189.73/x
  3. Step 3: Cross multiply
    121,479,551.33x = 182,219,326.99 × 112,126,189.73
  4. Step 4: Simplify right side
    121,479,551.33x = 20,431,558,829,362,236
  5. Step 5: Solve for x
    x = 20,431,558,829,362,236/121,479,551.33
  6. Step 6: Final answer
    x = 168,189,284.59

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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.