Home / 99,794,138.40-149,691,207.60-98,450,445.60

Finding the Fourth Proportional to 99,794,138.40, 149,691,207.60 and 98,450,445.60

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Solution

The fourth proportional to 99,794,138.40, 149,691,207.60 and 98,450,445.60 is: 147,675,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,138.40 : 149,691,207.60 = 98,450,445.60 : x
  2. Step 2: Convert to fraction form
    99,794,138.40/149,691,207.60 = 98,450,445.60/x
  3. Step 3: Cross multiply
    99,794,138.40x = 149,691,207.60 × 98,450,445.60
  4. Step 4: Simplify right side
    99,794,138.40x = 14,737,166,090,622,106
  5. Step 5: Solve for x
    x = 14,737,166,090,622,106/99,794,138.40
  6. Step 6: Final answer
    x = 147,675,668.40

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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.