Home / 272,584,556.90-408,876,835.35-165,089,132.90

Finding the Fourth Proportional to 272,584,556.90, 408,876,835.35 and 165,089,132.90

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Solution

The fourth proportional to 272,584,556.90, 408,876,835.35 and 165,089,132.90 is: 247,633,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,584,556.90 : 408,876,835.35 = 165,089,132.90 : x
  2. Step 2: Convert to fraction form
    272,584,556.90/408,876,835.35 = 165,089,132.90/x
  3. Step 3: Cross multiply
    272,584,556.90x = 408,876,835.35 × 165,089,132.90
  4. Step 4: Simplify right side
    272,584,556.90x = 67,501,122,210,827,576
  5. Step 5: Solve for x
    x = 67,501,122,210,827,576/272,584,556.90
  6. Step 6: Final answer
    x = 247,633,699.35

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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.