Home / 159,898,910.88-220,661,200.98-86,560,052.88

Finding the Fourth Proportional to 159,898,910.88, 220,661,200.98 and 86,560,052.88

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Solution

The fourth proportional to 159,898,910.88, 220,661,200.98 and 86,560,052.88 is: 119,453,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,898,910.88 : 220,661,200.98 = 86,560,052.88 : x
  2. Step 2: Convert to fraction form
    159,898,910.88/220,661,200.98 = 86,560,052.88/x
  3. Step 3: Cross multiply
    159,898,910.88x = 220,661,200.98 × 86,560,052.88
  4. Step 4: Simplify right side
    159,898,910.88x = 19,100,445,225,393,104
  5. Step 5: Solve for x
    x = 19,100,445,225,393,104/159,898,910.88
  6. Step 6: Final answer
    x = 119,453,254.06

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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.