Home / 93,469,957.70-140,079,611.16-72,745,420.46

Finding the Fourth Proportional to 93,469,957.70, 140,079,611.16 and 72,745,420.46

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Solution

The fourth proportional to 93,469,957.70, 140,079,611.16 and 72,745,420.46 is: 109,020,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,469,957.70 : 140,079,611.16 = 72,745,420.46 : x
  2. Step 2: Convert to fraction form
    93,469,957.70/140,079,611.16 = 72,745,420.46/x
  3. Step 3: Cross multiply
    93,469,957.70x = 140,079,611.16 × 72,745,420.46
  4. Step 4: Simplify right side
    93,469,957.70x = 10,190,150,211,707,508
  5. Step 5: Solve for x
    x = 10,190,150,211,707,508/93,469,957.70
  6. Step 6: Final answer
    x = 109,020,592.95

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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.