Home / 131,472,051.60-196,830,163.80-80,453,715.60

Finding the Fourth Proportional to 131,472,051.60, 196,830,163.80 and 80,453,715.60

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Solution

The fourth proportional to 131,472,051.60, 196,830,163.80 and 80,453,715.60 is: 120,449,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472,051.60 : 196,830,163.80 = 80,453,715.60 : x
  2. Step 2: Convert to fraction form
    131,472,051.60/196,830,163.80 = 80,453,715.60/x
  3. Step 3: Cross multiply
    131,472,051.60x = 196,830,163.80 × 80,453,715.60
  4. Step 4: Simplify right side
    131,472,051.60x = 15,835,718,019,866,616
  5. Step 5: Solve for x
    x = 15,835,718,019,866,616/131,472,051.60
  6. Step 6: Final answer
    x = 120,449,310.92

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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.