Home / 125,743,333.72-188,546,541.18-43,840,183.72

Finding the Fourth Proportional to 125,743,333.72, 188,546,541.18 and 43,840,183.72

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Solution

The fourth proportional to 125,743,333.72, 188,546,541.18 and 43,840,183.72 is: 65,736,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,743,333.72 : 188,546,541.18 = 43,840,183.72 : x
  2. Step 2: Convert to fraction form
    125,743,333.72/188,546,541.18 = 43,840,183.72/x
  3. Step 3: Cross multiply
    125,743,333.72x = 188,546,541.18 × 43,840,183.72
  4. Step 4: Simplify right side
    125,743,333.72x = 8,265,915,005,101,746
  5. Step 5: Solve for x
    x = 8,265,915,005,101,746/125,743,333.72
  6. Step 6: Final answer
    x = 65,736,407.34

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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.