Home / 124,212,839.44-171,414,421.14-72,032,856.52

Finding the Fourth Proportional to 124,212,839.44, 171,414,421.14 and 72,032,856.52

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Solution

The fourth proportional to 124,212,839.44, 171,414,421.14 and 72,032,856.52 is: 99,405,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212,839.44 : 171,414,421.14 = 72,032,856.52 : x
  2. Step 2: Convert to fraction form
    124,212,839.44/171,414,421.14 = 72,032,856.52/x
  3. Step 3: Cross multiply
    124,212,839.44x = 171,414,421.14 × 72,032,856.52
  4. Step 4: Simplify right side
    124,212,839.44x = 12,347,470,403,436,474
  5. Step 5: Solve for x
    x = 12,347,470,403,436,474/124,212,839.44
  6. Step 6: Final answer
    x = 99,405,749.51

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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.