Home / 178,848,821.80-268,273,232.70-126,892,700.20

Finding the Fourth Proportional to 178,848,821.80, 268,273,232.70 and 126,892,700.20

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Solution

The fourth proportional to 178,848,821.80, 268,273,232.70 and 126,892,700.20 is: 190,339,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,848,821.80 : 268,273,232.70 = 126,892,700.20 : x
  2. Step 2: Convert to fraction form
    178,848,821.80/268,273,232.70 = 126,892,700.20/x
  3. Step 3: Cross multiply
    178,848,821.80x = 268,273,232.70 × 126,892,700.20
  4. Step 4: Simplify right side
    178,848,821.80x = 34,041,914,888,685,936
  5. Step 5: Solve for x
    x = 34,041,914,888,685,936/178,848,821.80
  6. Step 6: Final answer
    x = 190,339,050.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.