Home / 177,087,171.48-265,085,945.55-115,543,812.12

Finding the Fourth Proportional to 177,087,171.48, 265,085,945.55 and 115,543,812.12

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Solution

The fourth proportional to 177,087,171.48, 265,085,945.55 and 115,543,812.12 is: 172,960,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,087,171.48 : 265,085,945.55 = 115,543,812.12 : x
  2. Step 2: Convert to fraction form
    177,087,171.48/265,085,945.55 = 115,543,812.12/x
  3. Step 3: Cross multiply
    177,087,171.48x = 265,085,945.55 × 115,543,812.12
  4. Step 4: Simplify right side
    177,087,171.48x = 30,629,040,688,281,752
  5. Step 5: Solve for x
    x = 30,629,040,688,281,752/177,087,171.48
  6. Step 6: Final answer
    x = 172,960,245.69

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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.