Home / 315,556,447.48-435,511,152.30-181,591,610.20

Finding the Fourth Proportional to 315,556,447.48, 435,511,152.30 and 181,591,610.20

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Solution

The fourth proportional to 315,556,447.48, 435,511,152.30 and 181,591,610.20 is: 250,621,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,556,447.48 : 435,511,152.30 = 181,591,610.20 : x
  2. Step 2: Convert to fraction form
    315,556,447.48/435,511,152.30 = 181,591,610.20/x
  3. Step 3: Cross multiply
    315,556,447.48x = 435,511,152.30 × 181,591,610.20
  4. Step 4: Simplify right side
    315,556,447.48x = 79,085,171,406,214,432
  5. Step 5: Solve for x
    x = 79,085,171,406,214,432/315,556,447.48
  6. Step 6: Final answer
    x = 250,621,313.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.