Home / 129,326,450.80-193,989,676.20-106,368,199.60

Finding the Fourth Proportional to 129,326,450.80, 193,989,676.20 and 106,368,199.60

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Solution

The fourth proportional to 129,326,450.80, 193,989,676.20 and 106,368,199.60 is: 159,552,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,326,450.80 : 193,989,676.20 = 106,368,199.60 : x
  2. Step 2: Convert to fraction form
    129,326,450.80/193,989,676.20 = 106,368,199.60/x
  3. Step 3: Cross multiply
    129,326,450.80x = 193,989,676.20 × 106,368,199.60
  4. Step 4: Simplify right side
    129,326,450.80x = 20,634,332,598,380,968
  5. Step 5: Solve for x
    x = 20,634,332,598,380,968/129,326,450.80
  6. Step 6: Final answer
    x = 159,552,299.40

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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.