Home / 231,753,985.20-347,630,977.80-104,352,001.20

Finding the Fourth Proportional to 231,753,985.20, 347,630,977.80 and 104,352,001.20

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Solution

The fourth proportional to 231,753,985.20, 347,630,977.80 and 104,352,001.20 is: 156,528,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,753,985.20 : 347,630,977.80 = 104,352,001.20 : x
  2. Step 2: Convert to fraction form
    231,753,985.20/347,630,977.80 = 104,352,001.20/x
  3. Step 3: Cross multiply
    231,753,985.20x = 347,630,977.80 × 104,352,001.20
  4. Step 4: Simplify right side
    231,753,985.20x = 36,275,988,212,542,776
  5. Step 5: Solve for x
    x = 36,275,988,212,542,776/231,753,985.20
  6. Step 6: Final answer
    x = 156,528,001.80

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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.