Home / 118,727,581.14-163,840,100.22-65,802,033.72

Finding the Fourth Proportional to 118,727,581.14, 163,840,100.22 and 65,802,033.72

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Solution

The fourth proportional to 118,727,581.14, 163,840,100.22 and 65,802,033.72 is: 90,804,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727,581.14 : 163,840,100.22 = 65,802,033.72 : x
  2. Step 2: Convert to fraction form
    118,727,581.14/163,840,100.22 = 65,802,033.72/x
  3. Step 3: Cross multiply
    118,727,581.14x = 163,840,100.22 × 65,802,033.72
  4. Step 4: Simplify right side
    118,727,581.14x = 10,781,011,799,364,620
  5. Step 5: Solve for x
    x = 10,781,011,799,364,620/118,727,581.14
  6. Step 6: Final answer
    x = 90,804,610.82

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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.