Home / 117,753,657.09-162,500,054.21-65,541,571.84

Finding the Fourth Proportional to 117,753,657.09, 162,500,054.21 and 65,541,571.84

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Solution

The fourth proportional to 117,753,657.09, 162,500,054.21 and 65,541,571.84 is: 90,447,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,657.09 : 162,500,054.21 = 65,541,571.84 : x
  2. Step 2: Convert to fraction form
    117,753,657.09/162,500,054.21 = 65,541,571.84/x
  3. Step 3: Cross multiply
    117,753,657.09x = 162,500,054.21 × 65,541,571.84
  4. Step 4: Simplify right side
    117,753,657.09x = 10,650,508,976,680,904
  5. Step 5: Solve for x
    x = 10,650,508,976,680,904/117,753,657.09
  6. Step 6: Final answer
    x = 90,447,373.27

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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.