Home / 255,491,999.60-383,237,999.40-91,808,171.60

Finding the Fourth Proportional to 255,491,999.60, 383,237,999.40 and 91,808,171.60

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Solution

The fourth proportional to 255,491,999.60, 383,237,999.40 and 91,808,171.60 is: 137,712,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,491,999.60 : 383,237,999.40 = 91,808,171.60 : x
  2. Step 2: Convert to fraction form
    255,491,999.60/383,237,999.40 = 91,808,171.60/x
  3. Step 3: Cross multiply
    255,491,999.60x = 383,237,999.40 × 91,808,171.60
  4. Step 4: Simplify right side
    255,491,999.60x = 35,184,380,012,555,892
  5. Step 5: Solve for x
    x = 35,184,380,012,555,892/255,491,999.60
  6. Step 6: Final answer
    x = 137,712,257.40

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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.