Home / 93,431,863.60-140,122,912.20-28,735,543.60

Finding the Fourth Proportional to 93,431,863.60, 140,122,912.20 and 28,735,543.60

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Solution

The fourth proportional to 93,431,863.60, 140,122,912.20 and 28,735,543.60 is: 43,095,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431,863.60 : 140,122,912.20 = 28,735,543.60 : x
  2. Step 2: Convert to fraction form
    93,431,863.60/140,122,912.20 = 28,735,543.60/x
  3. Step 3: Cross multiply
    93,431,863.60x = 140,122,912.20 × 28,735,543.60
  4. Step 4: Simplify right side
    93,431,863.60x = 4,026,508,052,882,072
  5. Step 5: Solve for x
    x = 4,026,508,052,882,072/93,431,863.60
  6. Step 6: Final answer
    x = 43,095,662.42

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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.