Home / 112,477,205.66-168,672,190.12-38,686,954.95

Finding the Fourth Proportional to 112,477,205.66, 168,672,190.12 and 38,686,954.95

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Solution

The fourth proportional to 112,477,205.66, 168,672,190.12 and 38,686,954.95 is: 58,015,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477,205.66 : 168,672,190.12 = 38,686,954.95 : x
  2. Step 2: Convert to fraction form
    112,477,205.66/168,672,190.12 = 38,686,954.95/x
  3. Step 3: Cross multiply
    112,477,205.66x = 168,672,190.12 × 38,686,954.95
  4. Step 4: Simplify right side
    112,477,205.66x = 6,525,413,420,393,558
  5. Step 5: Solve for x
    x = 6,525,413,420,393,558/112,477,205.66
  6. Step 6: Final answer
    x = 58,015,429.73

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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.