Home / 124,212,611.44-171,414,105.96-72,032,628.52

Finding the Fourth Proportional to 124,212,611.44, 171,414,105.96 and 72,032,628.52

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Solution

The fourth proportional to 124,212,611.44, 171,414,105.96 and 72,032,628.52 is: 99,405,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212,611.44 : 171,414,105.96 = 72,032,628.52 : x
  2. Step 2: Convert to fraction form
    124,212,611.44/171,414,105.96 = 72,032,628.52/x
  3. Step 3: Cross multiply
    124,212,611.44x = 171,414,105.96 × 72,032,628.52
  4. Step 4: Simplify right side
    124,212,611.44x = 12,347,408,617,704,598
  5. Step 5: Solve for x
    x = 12,347,408,617,704,598/124,212,611.44
  6. Step 6: Final answer
    x = 99,405,434.56

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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.