Home / 123,385,102.72-183,974,558.51-119,995,173.43

Finding the Fourth Proportional to 123,385,102.72, 183,974,558.51 and 119,995,173.43

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Solution

The fourth proportional to 123,385,102.72, 183,974,558.51 and 119,995,173.43 is: 178,919,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,102.72 : 183,974,558.51 = 119,995,173.43 : x
  2. Step 2: Convert to fraction form
    123,385,102.72/183,974,558.51 = 119,995,173.43/x
  3. Step 3: Cross multiply
    123,385,102.72x = 183,974,558.51 × 119,995,173.43
  4. Step 4: Simplify right side
    123,385,102.72x = 22,076,059,054,515,156
  5. Step 5: Solve for x
    x = 22,076,059,054,515,156/123,385,102.72
  6. Step 6: Final answer
    x = 178,919,971.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.