Home / 52,389,381-72,301,166.88-30,368,565.48

Finding the Fourth Proportional to 52,389,381, 72,301,166.88 and 30,368,565.48

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Solution

The fourth proportional to 52,389,381, 72,301,166.88 and 30,368,565.48 is: 41,910,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,389,381 : 72,301,166.88 = 30,368,565.48 : x
  2. Step 2: Convert to fraction form
    52,389,381/72,301,166.88 = 30,368,565.48/x
  3. Step 3: Cross multiply
    52,389,381x = 72,301,166.88 × 30,368,565.48
  4. Step 4: Simplify right side
    52,389,381x = 2,195,682,720,675,687.25
  5. Step 5: Solve for x
    x = 2,195,682,720,675,687.25/52,389,381
  6. Step 6: Final answer
    x = 41,910,835.34

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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.