Home / 123,385,101.22-183,974,556.27-119,995,171.93

Finding the Fourth Proportional to 123,385,101.22, 183,974,556.27 and 119,995,171.93

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Solution

The fourth proportional to 123,385,101.22, 183,974,556.27 and 119,995,171.93 is: 178,919,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,101.22 : 183,974,556.27 = 119,995,171.93 : x
  2. Step 2: Convert to fraction form
    123,385,101.22/183,974,556.27 = 119,995,171.93/x
  3. Step 3: Cross multiply
    123,385,101.22x = 183,974,556.27 × 119,995,171.93
  4. Step 4: Simplify right side
    123,385,101.22x = 22,076,058,510,364,112
  5. Step 5: Solve for x
    x = 22,076,058,510,364,112/123,385,101.22
  6. Step 6: Final answer
    x = 178,919,969.20

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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.