Home / 263,909,610.20-395,864,415.30-72,433,386.20

Finding the Fourth Proportional to 263,909,610.20, 395,864,415.30 and 72,433,386.20

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Solution

The fourth proportional to 263,909,610.20, 395,864,415.30 and 72,433,386.20 is: 108,650,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,909,610.20 : 395,864,415.30 = 72,433,386.20 : x
  2. Step 2: Convert to fraction form
    263,909,610.20/395,864,415.30 = 72,433,386.20/x
  3. Step 3: Cross multiply
    263,909,610.20x = 395,864,415.30 × 72,433,386.20
  4. Step 4: Simplify right side
    263,909,610.20x = 28,673,800,076,262,092
  5. Step 5: Solve for x
    x = 28,673,800,076,262,092/263,909,610.20
  6. Step 6: Final answer
    x = 108,650,079.30

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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.