Home / 131,025,699.20-196,538,548.80-100,792,611.20

Finding the Fourth Proportional to 131,025,699.20, 196,538,548.80 and 100,792,611.20

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Solution

The fourth proportional to 131,025,699.20, 196,538,548.80 and 100,792,611.20 is: 151,188,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,025,699.20 : 196,538,548.80 = 100,792,611.20 : x
  2. Step 2: Convert to fraction form
    131,025,699.20/196,538,548.80 = 100,792,611.20/x
  3. Step 3: Cross multiply
    131,025,699.20x = 196,538,548.80 × 100,792,611.20
  4. Step 4: Simplify right side
    131,025,699.20x = 19,809,633,535,010,628
  5. Step 5: Solve for x
    x = 19,809,633,535,010,628/131,025,699.20
  6. Step 6: Final answer
    x = 151,188,916.80

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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.