Home / 101,164,481.82-139,610,365.02-61,998,692.22

Finding the Fourth Proportional to 101,164,481.82, 139,610,365.02 and 61,998,692.22

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Solution

The fourth proportional to 101,164,481.82, 139,610,365.02 and 61,998,692.22 is: 85,560,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,164,481.82 : 139,610,365.02 = 61,998,692.22 : x
  2. Step 2: Convert to fraction form
    101,164,481.82/139,610,365.02 = 61,998,692.22/x
  3. Step 3: Cross multiply
    101,164,481.82x = 139,610,365.02 × 61,998,692.22
  4. Step 4: Simplify right side
    101,164,481.82x = 8,655,660,051,596,835
  5. Step 5: Solve for x
    x = 8,655,660,051,596,835/101,164,481.82
  6. Step 6: Final answer
    x = 85,560,266.76

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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.