Home / 127,270,786.38-175,628,741.04-77,794,001.34

Finding the Fourth Proportional to 127,270,786.38, 175,628,741.04 and 77,794,001.34

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Solution

The fourth proportional to 127,270,786.38, 175,628,741.04 and 77,794,001.34 is: 107,352,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270,786.38 : 175,628,741.04 = 77,794,001.34 : x
  2. Step 2: Convert to fraction form
    127,270,786.38/175,628,741.04 = 77,794,001.34/x
  3. Step 3: Cross multiply
    127,270,786.38x = 175,628,741.04 × 77,794,001.34
  4. Step 4: Simplify right side
    127,270,786.38x = 13,662,862,515,808,272
  5. Step 5: Solve for x
    x = 13,662,862,515,808,272/127,270,786.38
  6. Step 6: Final answer
    x = 107,352,699.74

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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.