Home / 147,702,493.42-203,830,064.86-80,722,819.06

Finding the Fourth Proportional to 147,702,493.42, 203,830,064.86 and 80,722,819.06

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Solution

The fourth proportional to 147,702,493.42, 203,830,064.86 and 80,722,819.06 is: 111,397,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,702,493.42 : 203,830,064.86 = 80,722,819.06 : x
  2. Step 2: Convert to fraction form
    147,702,493.42/203,830,064.86 = 80,722,819.06/x
  3. Step 3: Cross multiply
    147,702,493.42x = 203,830,064.86 × 80,722,819.06
  4. Step 4: Simplify right side
    147,702,493.42x = 16,453,737,444,681,846
  5. Step 5: Solve for x
    x = 16,453,737,444,681,846/147,702,493.42
  6. Step 6: Final answer
    x = 111,397,831.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.