Home / 101,267,438.61-139,749,493.14-54,857,692.38

Finding the Fourth Proportional to 101,267,438.61, 139,749,493.14 and 54,857,692.38

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Solution

The fourth proportional to 101,267,438.61, 139,749,493.14 and 54,857,692.38 is: 75,703,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,267,438.61 : 139,749,493.14 = 54,857,692.38 : x
  2. Step 2: Convert to fraction form
    101,267,438.61/139,749,493.14 = 54,857,692.38/x
  3. Step 3: Cross multiply
    101,267,438.61x = 139,749,493.14 × 54,857,692.38
  4. Step 4: Simplify right side
    101,267,438.61x = 7,666,334,704,935,040
  5. Step 5: Solve for x
    x = 7,666,334,704,935,040/101,267,438.61
  6. Step 6: Final answer
    x = 75,703,847.26

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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.