Home / 110,538,227.36-165,462,295.20-81,424,883.36

Finding the Fourth Proportional to 110,538,227.36, 165,462,295.20 and 81,424,883.36

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Solution

The fourth proportional to 110,538,227.36, 165,462,295.20 and 81,424,883.36 is: 121,883,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,538,227.36 : 165,462,295.20 = 81,424,883.36 : x
  2. Step 2: Convert to fraction form
    110,538,227.36/165,462,295.20 = 81,424,883.36/x
  3. Step 3: Cross multiply
    110,538,227.36x = 165,462,295.20 × 81,424,883.36
  4. Step 4: Simplify right side
    110,538,227.36x = 13,472,748,087,137,886
  5. Step 5: Solve for x
    x = 13,472,748,087,137,886/110,538,227.36
  6. Step 6: Final answer
    x = 121,883,156.70

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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.