Home / 125,028,959.56-172,485,004.32-75,441,676.06

Finding the Fourth Proportional to 125,028,959.56, 172,485,004.32 and 75,441,676.06

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Solution

The fourth proportional to 125,028,959.56, 172,485,004.32 and 75,441,676.06 is: 104,076,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,028,959.56 : 172,485,004.32 = 75,441,676.06 : x
  2. Step 2: Convert to fraction form
    125,028,959.56/172,485,004.32 = 75,441,676.06/x
  3. Step 3: Cross multiply
    125,028,959.56x = 172,485,004.32 × 75,441,676.06
  4. Step 4: Simplify right side
    125,028,959.56x = 13,012,557,821,117,140
  5. Step 5: Solve for x
    x = 13,012,557,821,117,140/125,028,959.56
  6. Step 6: Final answer
    x = 104,076,350.53

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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.