Home / 127,307,028.48-175,544,676.48-85,982,175.36

Finding the Fourth Proportional to 127,307,028.48, 175,544,676.48 and 85,982,175.36

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Solution

The fourth proportional to 127,307,028.48, 175,544,676.48 and 85,982,175.36 is: 118,561,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307,028.48 : 175,544,676.48 = 85,982,175.36 : x
  2. Step 2: Convert to fraction form
    127,307,028.48/175,544,676.48 = 85,982,175.36/x
  3. Step 3: Cross multiply
    127,307,028.48x = 175,544,676.48 × 85,982,175.36
  4. Step 4: Simplify right side
    127,307,028.48x = 15,093,713,156,617,826
  5. Step 5: Solve for x
    x = 15,093,713,156,617,826/127,307,028.48
  6. Step 6: Final answer
    x = 118,561,507.07

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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.