Home / 101,828,430.68-140,538,043.31-57,179,415.06

Finding the Fourth Proportional to 101,828,430.68, 140,538,043.31 and 57,179,415.06

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Solution

The fourth proportional to 101,828,430.68, 140,538,043.31 and 57,179,415.06 is: 78,915,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,828,430.68 : 140,538,043.31 = 57,179,415.06 : x
  2. Step 2: Convert to fraction form
    101,828,430.68/140,538,043.31 = 57,179,415.06/x
  3. Step 3: Cross multiply
    101,828,430.68x = 140,538,043.31 × 57,179,415.06
  4. Step 4: Simplify right side
    101,828,430.68x = 8,035,883,109,856,850
  5. Step 5: Solve for x
    x = 8,035,883,109,856,850/101,828,430.68
  6. Step 6: Final answer
    x = 78,915,908.42

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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.