Home / 131,909,620.80-197,864,431.20-63,885,172.80

Finding the Fourth Proportional to 131,909,620.80, 197,864,431.20 and 63,885,172.80

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Solution

The fourth proportional to 131,909,620.80, 197,864,431.20 and 63,885,172.80 is: 95,827,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909,620.80 : 197,864,431.20 = 63,885,172.80 : x
  2. Step 2: Convert to fraction form
    131,909,620.80/197,864,431.20 = 63,885,172.80/x
  3. Step 3: Cross multiply
    131,909,620.80x = 197,864,431.20 × 63,885,172.80
  4. Step 4: Simplify right side
    131,909,620.80x = 12,640,603,378,185,710
  5. Step 5: Solve for x
    x = 12,640,603,378,185,710/131,909,620.80
  6. Step 6: Final answer
    x = 95,827,759.20

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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.