Home / 78,966,611.36-108,973,176.72-44,158,902.56

Finding the Fourth Proportional to 78,966,611.36, 108,973,176.72 and 44,158,902.56

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Solution

The fourth proportional to 78,966,611.36, 108,973,176.72 and 44,158,902.56 is: 60,938,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,966,611.36 : 108,973,176.72 = 44,158,902.56 : x
  2. Step 2: Convert to fraction form
    78,966,611.36/108,973,176.72 = 44,158,902.56/x
  3. Step 3: Cross multiply
    78,966,611.36x = 108,973,176.72 × 44,158,902.56
  4. Step 4: Simplify right side
    78,966,611.36x = 4,812,135,892,432,141
  5. Step 5: Solve for x
    x = 4,812,135,892,432,141/78,966,611.36
  6. Step 6: Final answer
    x = 60,938,867.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.