Home / 177,131,513.10-265,697,269.65-99,647,415.30

Finding the Fourth Proportional to 177,131,513.10, 265,697,269.65 and 99,647,415.30

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Solution

The fourth proportional to 177,131,513.10, 265,697,269.65 and 99,647,415.30 is: 149,471,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,131,513.10 : 265,697,269.65 = 99,647,415.30 : x
  2. Step 2: Convert to fraction form
    177,131,513.10/265,697,269.65 = 99,647,415.30/x
  3. Step 3: Cross multiply
    177,131,513.10x = 265,697,269.65 × 99,647,415.30
  4. Step 4: Simplify right side
    177,131,513.10x = 26,476,046,172,889,636
  5. Step 5: Solve for x
    x = 26,476,046,172,889,636/177,131,513.10
  6. Step 6: Final answer
    x = 149,471,122.95

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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.