Home / 284,641,400.61-426,996,650.79-80,169,475.86

Finding the Fourth Proportional to 284,641,400.61, 426,996,650.79 and 80,169,475.86

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Solution

The fourth proportional to 284,641,400.61, 426,996,650.79 and 80,169,475.86 is: 120,263,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,641,400.61 : 426,996,650.79 = 80,169,475.86 : x
  2. Step 2: Convert to fraction form
    284,641,400.61/426,996,650.79 = 80,169,475.86/x
  3. Step 3: Cross multiply
    284,641,400.61x = 426,996,650.79 × 80,169,475.86
  4. Step 4: Simplify right side
    284,641,400.61x = 34,232,097,687,809,756
  5. Step 5: Solve for x
    x = 34,232,097,687,809,756/284,641,400.61
  6. Step 6: Final answer
    x = 120,263,944.79

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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.