Home / 92,763,692.20-139,162,644.02-30,518,509.42

Finding the Fourth Proportional to 92,763,692.20, 139,162,644.02 and 30,518,509.42

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Solution

The fourth proportional to 92,763,692.20, 139,162,644.02 and 30,518,509.42 is: 45,783,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,763,692.20 : 139,162,644.02 = 30,518,509.42 : x
  2. Step 2: Convert to fraction form
    92,763,692.20/139,162,644.02 = 30,518,509.42/x
  3. Step 3: Cross multiply
    92,763,692.20x = 139,162,644.02 × 30,518,509.42
  4. Step 4: Simplify right side
    92,763,692.20x = 4,247,036,462,436,477
  5. Step 5: Solve for x
    x = 4,247,036,462,436,477/92,763,692.20
  6. Step 6: Final answer
    x = 45,783,391.77

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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.