Home / 127,599,721.80-190,974,429.90-117,396,054.60

Finding the Fourth Proportional to 127,599,721.80, 190,974,429.90 and 117,396,054.60

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Solution

The fourth proportional to 127,599,721.80, 190,974,429.90 and 117,396,054.60 is: 175,702,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599,721.80 : 190,974,429.90 = 117,396,054.60 : x
  2. Step 2: Convert to fraction form
    127,599,721.80/190,974,429.90 = 117,396,054.60/x
  3. Step 3: Cross multiply
    127,599,721.80x = 190,974,429.90 × 117,396,054.60
  4. Step 4: Simplify right side
    127,599,721.80x = 22,419,644,599,744,272
  5. Step 5: Solve for x
    x = 22,419,644,599,744,272/127,599,721.80
  6. Step 6: Final answer
    x = 175,702,926.96

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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.