Home / 99,052,408.20-148,578,612.30-30,894,990.60

Finding the Fourth Proportional to 99,052,408.20, 148,578,612.30 and 30,894,990.60

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Solution

The fourth proportional to 99,052,408.20, 148,578,612.30 and 30,894,990.60 is: 46,342,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,052,408.20 : 148,578,612.30 = 30,894,990.60 : x
  2. Step 2: Convert to fraction form
    99,052,408.20/148,578,612.30 = 30,894,990.60/x
  3. Step 3: Cross multiply
    99,052,408.20x = 148,578,612.30 × 30,894,990.60
  4. Step 4: Simplify right side
    99,052,408.20x = 4,590,334,830,369,545
  5. Step 5: Solve for x
    x = 4,590,334,830,369,545/99,052,408.20
  6. Step 6: Final answer
    x = 46,342,485.90

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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.