Home / 144,493,151.00-199,401,070.41-78,413,634.90

Finding the Fourth Proportional to 144,493,151.00, 199,401,070.41 and 78,413,634.90

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Solution

The fourth proportional to 144,493,151.00, 199,401,070.41 and 78,413,634.90 is: 108,211,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,493,151.00 : 199,401,070.41 = 78,413,634.90 : x
  2. Step 2: Convert to fraction form
    144,493,151.00/199,401,070.41 = 78,413,634.90/x
  3. Step 3: Cross multiply
    144,493,151.00x = 199,401,070.41 × 78,413,634.90
  4. Step 4: Simplify right side
    144,493,151.00x = 15,635,762,733,798,934
  5. Step 5: Solve for x
    x = 15,635,762,733,798,934/144,493,151.00
  6. Step 6: Final answer
    x = 108,211,099.46

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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.