Home / 129,366,917.80-194,050,376.70-106,408,666.60

Finding the Fourth Proportional to 129,366,917.80, 194,050,376.70 and 106,408,666.60

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Solution

The fourth proportional to 129,366,917.80, 194,050,376.70 and 106,408,666.60 is: 159,612,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366,917.80 : 194,050,376.70 = 106,408,666.60 : x
  2. Step 2: Convert to fraction form
    129,366,917.80/194,050,376.70 = 106,408,666.60/x
  3. Step 3: Cross multiply
    129,366,917.80x = 194,050,376.70 × 106,408,666.60
  4. Step 4: Simplify right side
    129,366,917.80x = 20,648,641,837,874,704
  5. Step 5: Solve for x
    x = 20,648,641,837,874,704/129,366,917.80
  6. Step 6: Final answer
    x = 159,612,999.90

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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.