Home / 145,627,486.80-218,441,230.20-131,014,827.60

Finding the Fourth Proportional to 145,627,486.80, 218,441,230.20 and 131,014,827.60

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Solution

The fourth proportional to 145,627,486.80, 218,441,230.20 and 131,014,827.60 is: 196,522,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,486.80 : 218,441,230.20 = 131,014,827.60 : x
  2. Step 2: Convert to fraction form
    145,627,486.80/218,441,230.20 = 131,014,827.60/x
  3. Step 3: Cross multiply
    145,627,486.80x = 218,441,230.20 × 131,014,827.60
  4. Step 4: Simplify right side
    145,627,486.80x = 28,619,040,115,384,912
  5. Step 5: Solve for x
    x = 28,619,040,115,384,912/145,627,486.80
  6. Step 6: Final answer
    x = 196,522,241.40

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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.