Home / 281,331,300.60-421,958,641.68-74,052,352.44

Finding the Fourth Proportional to 281,331,300.60, 421,958,641.68 and 74,052,352.44

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Solution

The fourth proportional to 281,331,300.60, 421,958,641.68 and 74,052,352.44 is: 111,068,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,331,300.60 : 421,958,641.68 = 74,052,352.44 : x
  2. Step 2: Convert to fraction form
    281,331,300.60/421,958,641.68 = 74,052,352.44/x
  3. Step 3: Cross multiply
    281,331,300.60x = 421,958,641.68 × 74,052,352.44
  4. Step 4: Simplify right side
    281,331,300.60x = 31,247,030,048,791,032
  5. Step 5: Solve for x
    x = 31,247,030,048,791,032/281,331,300.60
  6. Step 6: Final answer
    x = 111,068,444.86

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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.