Home / 98,687,777.20-148,045,662.60-30,523,361.20

Finding the Fourth Proportional to 98,687,777.20, 148,045,662.60 and 30,523,361.20

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Solution

The fourth proportional to 98,687,777.20, 148,045,662.60 and 30,523,361.20 is: 45,789,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687,777.20 : 148,045,662.60 = 30,523,361.20 : x
  2. Step 2: Convert to fraction form
    98,687,777.20/148,045,662.60 = 30,523,361.20/x
  3. Step 3: Cross multiply
    98,687,777.20x = 148,045,662.60 × 30,523,361.20
  4. Step 4: Simplify right side
    98,687,777.20x = 4,518,851,233,633,131
  5. Step 5: Solve for x
    x = 4,518,851,233,633,131/98,687,777.20
  6. Step 6: Final answer
    x = 45,789,370.90

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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.