Home / 361,988,045.11-543,149,059.52-165,311,750.89

Finding the Fourth Proportional to 361,988,045.11, 543,149,059.52 and 165,311,750.89

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Solution

The fourth proportional to 361,988,045.11, 543,149,059.52 and 165,311,750.89 is: 248,043,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,988,045.11 : 543,149,059.52 = 165,311,750.89 : x
  2. Step 2: Convert to fraction form
    361,988,045.11/543,149,059.52 = 165,311,750.89/x
  3. Step 3: Cross multiply
    361,988,045.11x = 543,149,059.52 × 165,311,750.89
  4. Step 4: Simplify right side
    361,988,045.11x = 89,788,922,023,508,016
  5. Step 5: Solve for x
    x = 89,788,922,023,508,016/361,988,045.11
  6. Step 6: Final answer
    x = 248,043,887.74

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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.