Home / 289,548,429.44-434,318,853.36-71,200,656.32

Finding the Fourth Proportional to 289,548,429.44, 434,318,853.36 and 71,200,656.32

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Solution

The fourth proportional to 289,548,429.44, 434,318,853.36 and 71,200,656.32 is: 106,800,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,548,429.44 : 434,318,853.36 = 71,200,656.32 : x
  2. Step 2: Convert to fraction form
    289,548,429.44/434,318,853.36 = 71,200,656.32/x
  3. Step 3: Cross multiply
    289,548,429.44x = 434,318,853.36 × 71,200,656.32
  4. Step 4: Simplify right side
    289,548,429.44x = 30,923,787,411,381,836
  5. Step 5: Solve for x
    x = 30,923,787,411,381,836/289,548,429.44
  6. Step 6: Final answer
    x = 106,800,052.31

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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.