Home / 129,273,496.15-193,895,920.21-46,271,933.61

Finding the Fourth Proportional to 129,273,496.15, 193,895,920.21 and 46,271,933.61

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Solution

The fourth proportional to 129,273,496.15, 193,895,920.21 and 46,271,933.61 is: 69,402,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,273,496.15 : 193,895,920.21 = 46,271,933.61 : x
  2. Step 2: Convert to fraction form
    129,273,496.15/193,895,920.21 = 46,271,933.61/x
  3. Step 3: Cross multiply
    129,273,496.15x = 193,895,920.21 × 46,271,933.61
  4. Step 4: Simplify right side
    129,273,496.15x = 8,971,939,147,206,978
  5. Step 5: Solve for x
    x = 8,971,939,147,206,978/129,273,496.15
  6. Step 6: Final answer
    x = 69,402,773.30

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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.