Home / 123,385,100.60-183,974,555.34-119,995,171.31

Finding the Fourth Proportional to 123,385,100.60, 183,974,555.34 and 119,995,171.31

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Solution

The fourth proportional to 123,385,100.60, 183,974,555.34 and 119,995,171.31 is: 178,919,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,100.60 : 183,974,555.34 = 119,995,171.31 : x
  2. Step 2: Convert to fraction form
    123,385,100.60/183,974,555.34 = 119,995,171.31/x
  3. Step 3: Cross multiply
    123,385,100.60x = 183,974,555.34 × 119,995,171.31
  4. Step 4: Simplify right side
    123,385,100.60x = 22,076,058,283,334,524
  5. Step 5: Solve for x
    x = 22,076,058,283,334,524/123,385,100.60
  6. Step 6: Final answer
    x = 178,919,968.27

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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.