Home / 99,770,861.40-149,544,317.70-42,253,344.60

Finding the Fourth Proportional to 99,770,861.40, 149,544,317.70 and 42,253,344.60

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Solution

The fourth proportional to 99,770,861.40, 149,544,317.70 and 42,253,344.60 is: 63,332,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,770,861.40 : 149,544,317.70 = 42,253,344.60 : x
  2. Step 2: Convert to fraction form
    99,770,861.40/149,544,317.70 = 42,253,344.60/x
  3. Step 3: Cross multiply
    99,770,861.40x = 149,544,317.70 × 42,253,344.60
  4. Step 4: Simplify right side
    99,770,861.40x = 6,318,747,588,749,979
  5. Step 5: Solve for x
    x = 6,318,747,588,749,979/99,770,861.40
  6. Step 6: Final answer
    x = 63,332,595.31

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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.