Home / 284,860,111.08-427,230,378.72-80,340,356.64

Finding the Fourth Proportional to 284,860,111.08, 427,230,378.72 and 80,340,356.64

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Solution

The fourth proportional to 284,860,111.08, 427,230,378.72 and 80,340,356.64 is: 120,493,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,860,111.08 : 427,230,378.72 = 80,340,356.64 : x
  2. Step 2: Convert to fraction form
    284,860,111.08/427,230,378.72 = 80,340,356.64/x
  3. Step 3: Cross multiply
    284,860,111.08x = 427,230,378.72 × 80,340,356.64
  4. Step 4: Simplify right side
    284,860,111.08x = 34,323,840,993,807,068
  5. Step 5: Solve for x
    x = 34,323,840,993,807,068/284,860,111.08
  6. Step 6: Final answer
    x = 120,493,672.71

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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.