Home / 139,394,021.02-209,114,852.57-57,468,114.43

Finding the Fourth Proportional to 139,394,021.02, 209,114,852.57 and 57,468,114.43

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Solution

The fourth proportional to 139,394,021.02, 209,114,852.57 and 57,468,114.43 is: 86,211,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,394,021.02 : 209,114,852.57 = 57,468,114.43 : x
  2. Step 2: Convert to fraction form
    139,394,021.02/209,114,852.57 = 57,468,114.43/x
  3. Step 3: Cross multiply
    139,394,021.02x = 209,114,852.57 × 57,468,114.43
  4. Step 4: Simplify right side
    139,394,021.02x = 12,017,436,277,251,698
  5. Step 5: Solve for x
    x = 12,017,436,277,251,698/139,394,021.02
  6. Step 6: Final answer
    x = 86,211,992.37

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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.