Home / 139,913,375.44-209,896,962.94-53,645,053.64

Finding the Fourth Proportional to 139,913,375.44, 209,896,962.94 and 53,645,053.64

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Solution

The fourth proportional to 139,913,375.44, 209,896,962.94 and 53,645,053.64 is: 80,477,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,913,375.44 : 209,896,962.94 = 53,645,053.64 : x
  2. Step 2: Convert to fraction form
    139,913,375.44/209,896,962.94 = 53,645,053.64/x
  3. Step 3: Cross multiply
    139,913,375.44x = 209,896,962.94 × 53,645,053.64
  4. Step 4: Simplify right side
    139,913,375.44x = 11,259,933,835,789,392
  5. Step 5: Solve for x
    x = 11,259,933,835,789,392/139,913,375.44
  6. Step 6: Final answer
    x = 80,477,894.27

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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.