Home / 144,369,416.88-199,229,840.46-78,289,895.52

Finding the Fourth Proportional to 144,369,416.88, 199,229,840.46 and 78,289,895.52

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Solution

The fourth proportional to 144,369,416.88, 199,229,840.46 and 78,289,895.52 is: 108,040,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,369,416.88 : 199,229,840.46 = 78,289,895.52 : x
  2. Step 2: Convert to fraction form
    144,369,416.88/199,229,840.46 = 78,289,895.52/x
  3. Step 3: Cross multiply
    144,369,416.88x = 199,229,840.46 × 78,289,895.52
  4. Step 4: Simplify right side
    144,369,416.88x = 15,597,683,394,079,668
  5. Step 5: Solve for x
    x = 15,597,683,394,079,668/144,369,416.88
  6. Step 6: Final answer
    x = 108,040,080.31

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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.