Home / 99,299,452.20-148,949,178.30-31,142,034.60

Finding the Fourth Proportional to 99,299,452.20, 148,949,178.30 and 31,142,034.60

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Solution

The fourth proportional to 99,299,452.20, 148,949,178.30 and 31,142,034.60 is: 46,713,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299,452.20 : 148,949,178.30 = 31,142,034.60 : x
  2. Step 2: Convert to fraction form
    99,299,452.20/148,949,178.30 = 31,142,034.60/x
  3. Step 3: Cross multiply
    99,299,452.20x = 148,949,178.30 × 31,142,034.60
  4. Step 4: Simplify right side
    99,299,452.20x = 4,638,580,464,260,170
  5. Step 5: Solve for x
    x = 4,638,580,464,260,170/99,299,452.20
  6. Step 6: Final answer
    x = 46,713,051.90

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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.