Home / 80,825,058.30-121,237,587.45-55,315,890.30

Finding the Fourth Proportional to 80,825,058.30, 121,237,587.45 and 55,315,890.30

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Solution

The fourth proportional to 80,825,058.30, 121,237,587.45 and 55,315,890.30 is: 82,973,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825,058.30 : 121,237,587.45 = 55,315,890.30 : x
  2. Step 2: Convert to fraction form
    80,825,058.30/121,237,587.45 = 55,315,890.30/x
  3. Step 3: Cross multiply
    80,825,058.30x = 121,237,587.45 × 55,315,890.30
  4. Step 4: Simplify right side
    80,825,058.30x = 6,706,365,087,620,857
  5. Step 5: Solve for x
    x = 6,706,365,087,620,857/80,825,058.30
  6. Step 6: Final answer
    x = 82,973,835.45

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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.