Home / 124,212,839.94-171,414,421.83-72,032,857.02

Finding the Fourth Proportional to 124,212,839.94, 171,414,421.83 and 72,032,857.02

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Solution

The fourth proportional to 124,212,839.94, 171,414,421.83 and 72,032,857.02 is: 99,405,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212,839.94 : 171,414,421.83 = 72,032,857.02 : x
  2. Step 2: Convert to fraction form
    124,212,839.94/171,414,421.83 = 72,032,857.02/x
  3. Step 3: Cross multiply
    124,212,839.94x = 171,414,421.83 × 72,032,857.02
  4. Step 4: Simplify right side
    124,212,839.94x = 12,347,470,538,846,356
  5. Step 5: Solve for x
    x = 12,347,470,538,846,356/124,212,839.94
  6. Step 6: Final answer
    x = 99,405,750.20

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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.