Home / 145,972,367.99-201,433,671.82-79,892,731.61

Finding the Fourth Proportional to 145,972,367.99, 201,433,671.82 and 79,892,731.61

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Solution

The fourth proportional to 145,972,367.99, 201,433,671.82 and 79,892,731.61 is: 110,247,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,972,367.99 : 201,433,671.82 = 79,892,731.61 : x
  2. Step 2: Convert to fraction form
    145,972,367.99/201,433,671.82 = 79,892,731.61/x
  3. Step 3: Cross multiply
    145,972,367.99x = 201,433,671.82 × 79,892,731.61
  4. Step 4: Simplify right side
    145,972,367.99x = 16,093,086,279,932,080
  5. Step 5: Solve for x
    x = 16,093,086,279,932,080/145,972,367.99
  6. Step 6: Final answer
    x = 110,247,483.83

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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.