Home / 255,671,690.76-383,505,223.05-80,794,753.49

Finding the Fourth Proportional to 255,671,690.76, 383,505,223.05 and 80,794,753.49

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Solution

The fourth proportional to 255,671,690.76, 383,505,223.05 and 80,794,753.49 is: 121,191,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,671,690.76 : 383,505,223.05 = 80,794,753.49 : x
  2. Step 2: Convert to fraction form
    255,671,690.76/383,505,223.05 = 80,794,753.49/x
  3. Step 3: Cross multiply
    255,671,690.76x = 383,505,223.05 × 80,794,753.49
  4. Step 4: Simplify right side
    255,671,690.76x = 30,985,209,959,410,984
  5. Step 5: Solve for x
    x = 30,985,209,959,410,984/255,671,690.76
  6. Step 6: Final answer
    x = 121,191,399.28

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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.