Home / 113,589,100.20-156,765,412.62-65,914,856.22

Finding the Fourth Proportional to 113,589,100.20, 156,765,412.62 and 65,914,856.22

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Solution

The fourth proportional to 113,589,100.20, 156,765,412.62 and 65,914,856.22 is: 90,969,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,589,100.20 : 156,765,412.62 = 65,914,856.22 : x
  2. Step 2: Convert to fraction form
    113,589,100.20/156,765,412.62 = 65,914,856.22/x
  3. Step 3: Cross multiply
    113,589,100.20x = 156,765,412.62 × 65,914,856.22
  4. Step 4: Simplify right side
    113,589,100.20x = 10,333,169,633,116,274
  5. Step 5: Solve for x
    x = 10,333,169,633,116,274/113,589,100.20
  6. Step 6: Final answer
    x = 90,969,728.74

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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.