Home / 284,860,073.99-427,230,323.13-80,340,319.55

Finding the Fourth Proportional to 284,860,073.99, 427,230,323.13 and 80,340,319.55

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Solution

The fourth proportional to 284,860,073.99, 427,230,323.13 and 80,340,319.55 is: 120,493,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,860,073.99 : 427,230,323.13 = 80,340,319.55 : x
  2. Step 2: Convert to fraction form
    284,860,073.99/427,230,323.13 = 80,340,319.55/x
  3. Step 3: Cross multiply
    284,860,073.99x = 427,230,323.13 × 80,340,319.55
  4. Step 4: Simplify right side
    284,860,073.99x = 34,323,820,681,713,956
  5. Step 5: Solve for x
    x = 34,323,820,681,713,956/284,860,073.99
  6. Step 6: Final answer
    x = 120,493,617.10

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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.