Home / 113,589,097.20-156,765,408.48-65,914,853.22

Finding the Fourth Proportional to 113,589,097.20, 156,765,408.48 and 65,914,853.22

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Solution

The fourth proportional to 113,589,097.20, 156,765,408.48 and 65,914,853.22 is: 90,969,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,589,097.20 : 156,765,408.48 = 65,914,853.22 : x
  2. Step 2: Convert to fraction form
    113,589,097.20/156,765,408.48 = 65,914,853.22/x
  3. Step 3: Cross multiply
    113,589,097.20x = 156,765,408.48 × 65,914,853.22
  4. Step 4: Simplify right side
    113,589,097.20x = 10,333,168,889,932,542
  5. Step 5: Solve for x
    x = 10,333,168,889,932,542/113,589,097.20
  6. Step 6: Final answer
    x = 90,969,724.60

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1.5x scale

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.