Home / 118,515,409.44-163,557,618.66-66,301,331.10

Finding the Fourth Proportional to 118,515,409.44, 163,557,618.66 and 66,301,331.10

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Solution

The fourth proportional to 118,515,409.44, 163,557,618.66 and 66,301,331.10 is: 91,499,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,515,409.44 : 163,557,618.66 = 66,301,331.10 : x
  2. Step 2: Convert to fraction form
    118,515,409.44/163,557,618.66 = 66,301,331.10/x
  3. Step 3: Cross multiply
    118,515,409.44x = 163,557,618.66 × 66,301,331.10
  4. Step 4: Simplify right side
    118,515,409.44x = 10,844,087,828,704,198
  5. Step 5: Solve for x
    x = 10,844,087,828,704,198/118,515,409.44
  6. Step 6: Final answer
    x = 91,499,391.34

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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.