Home / 289,548,431.44-434,318,856.36-71,200,658.32

Finding the Fourth Proportional to 289,548,431.44, 434,318,856.36 and 71,200,658.32

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Solution

The fourth proportional to 289,548,431.44, 434,318,856.36 and 71,200,658.32 is: 106,800,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,548,431.44 : 434,318,856.36 = 71,200,658.32 : x
  2. Step 2: Convert to fraction form
    289,548,431.44/434,318,856.36 = 71,200,658.32/x
  3. Step 3: Cross multiply
    289,548,431.44x = 434,318,856.36 × 71,200,658.32
  4. Step 4: Simplify right side
    289,548,431.44x = 30,923,788,493,621,516
  5. Step 5: Solve for x
    x = 30,923,788,493,621,516/289,548,431.44
  6. Step 6: Final answer
    x = 106,800,055.31

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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.