Home / 132,860,404.80-199,290,607.20-81,576,129.60

Finding the Fourth Proportional to 132,860,404.80, 199,290,607.20 and 81,576,129.60

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Solution

The fourth proportional to 132,860,404.80, 199,290,607.20 and 81,576,129.60 is: 122,364,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,404.80 : 199,290,607.20 = 81,576,129.60 : x
  2. Step 2: Convert to fraction form
    132,860,404.80/199,290,607.20 = 81,576,129.60/x
  3. Step 3: Cross multiply
    132,860,404.80x = 199,290,607.20 × 81,576,129.60
  4. Step 4: Simplify right side
    132,860,404.80x = 16,257,356,401,009,890
  5. Step 5: Solve for x
    x = 16,257,356,401,009,890/132,860,404.80
  6. Step 6: Final answer
    x = 122,364,194.40

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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.