Home / 131,472,059.60-196,830,175.80-80,453,723.60

Finding the Fourth Proportional to 131,472,059.60, 196,830,175.80 and 80,453,723.60

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Solution

The fourth proportional to 131,472,059.60, 196,830,175.80 and 80,453,723.60 is: 120,449,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472,059.60 : 196,830,175.80 = 80,453,723.60 : x
  2. Step 2: Convert to fraction form
    131,472,059.60/196,830,175.80 = 80,453,723.60/x
  3. Step 3: Cross multiply
    131,472,059.60x = 196,830,175.80 × 80,453,723.60
  4. Step 4: Simplify right side
    131,472,059.60x = 15,835,720,559,952,608
  5. Step 5: Solve for x
    x = 15,835,720,559,952,608/131,472,059.60
  6. Step 6: Final answer
    x = 120,449,322.91

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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.