Home / 165,955,693.80-248,933,540.70-70,205,140.20

Finding the Fourth Proportional to 165,955,693.80, 248,933,540.70 and 70,205,140.20

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Solution

The fourth proportional to 165,955,693.80, 248,933,540.70 and 70,205,140.20 is: 105,307,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,955,693.80 : 248,933,540.70 = 70,205,140.20 : x
  2. Step 2: Convert to fraction form
    165,955,693.80/248,933,540.70 = 70,205,140.20/x
  3. Step 3: Cross multiply
    165,955,693.80x = 248,933,540.70 × 70,205,140.20
  4. Step 4: Simplify right side
    165,955,693.80x = 17,476,414,125,325,906
  5. Step 5: Solve for x
    x = 17,476,414,125,325,906/165,955,693.80
  6. Step 6: Final answer
    x = 105,307,710.30

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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.