Home / 75,009,168.96-112,518,107.88-28,951,293.96

Finding the Fourth Proportional to 75,009,168.96, 112,518,107.88 and 28,951,293.96

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Solution

The fourth proportional to 75,009,168.96, 112,518,107.88 and 28,951,293.96 is: 43,428,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,009,168.96 : 112,518,107.88 = 28,951,293.96 : x
  2. Step 2: Convert to fraction form
    75,009,168.96/112,518,107.88 = 28,951,293.96/x
  3. Step 3: Cross multiply
    75,009,168.96x = 112,518,107.88 × 28,951,293.96
  4. Step 4: Simplify right side
    75,009,168.96x = 3,257,544,817,056,872.50
  5. Step 5: Solve for x
    x = 3,257,544,817,056,872.50/75,009,168.96
  6. Step 6: Final answer
    x = 43,428,621.62

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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.