Home / 361,988,046.11-543,149,061.02-165,311,751.89

Finding the Fourth Proportional to 361,988,046.11, 543,149,061.02 and 165,311,751.89

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Solution

The fourth proportional to 361,988,046.11, 543,149,061.02 and 165,311,751.89 is: 248,043,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,988,046.11 : 543,149,061.02 = 165,311,751.89 : x
  2. Step 2: Convert to fraction form
    361,988,046.11/543,149,061.02 = 165,311,751.89/x
  3. Step 3: Cross multiply
    361,988,046.11x = 543,149,061.02 × 165,311,751.89
  4. Step 4: Simplify right side
    361,988,046.11x = 89,788,922,814,624,704
  5. Step 5: Solve for x
    x = 89,788,922,814,624,704/361,988,046.11
  6. Step 6: Final answer
    x = 248,043,889.24

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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.