Home / 165,888,193.80-248,832,290.70-85,117,326.60

Finding the Fourth Proportional to 165,888,193.80, 248,832,290.70 and 85,117,326.60

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Solution

The fourth proportional to 165,888,193.80, 248,832,290.70 and 85,117,326.60 is: 127,675,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,193.80 : 248,832,290.70 = 85,117,326.60 : x
  2. Step 2: Convert to fraction form
    165,888,193.80/248,832,290.70 = 85,117,326.60/x
  3. Step 3: Cross multiply
    165,888,193.80x = 248,832,290.70 × 85,117,326.60
  4. Step 4: Simplify right side
    165,888,193.80x = 21,179,939,356,138,040
  5. Step 5: Solve for x
    x = 21,179,939,356,138,040/165,888,193.80
  6. Step 6: Final answer
    x = 127,675,989.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.