Home / 118,310,688.22-163,265,736.06-66,100,116.46

Finding the Fourth Proportional to 118,310,688.22, 163,265,736.06 and 66,100,116.46

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Solution

The fourth proportional to 118,310,688.22, 163,265,736.06 and 66,100,116.46 is: 91,216,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,310,688.22 : 163,265,736.06 = 66,100,116.46 : x
  2. Step 2: Convert to fraction form
    118,310,688.22/163,265,736.06 = 66,100,116.46/x
  3. Step 3: Cross multiply
    118,310,688.22x = 163,265,736.06 × 66,100,116.46
  4. Step 4: Simplify right side
    118,310,688.22x = 10,791,884,167,493,622
  5. Step 5: Solve for x
    x = 10,791,884,167,493,622/118,310,688.22
  6. Step 6: Final answer
    x = 91,216,476.97

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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.