Home / 93,312,161.80-139,968,242.70-85,942,846.60

Finding the Fourth Proportional to 93,312,161.80, 139,968,242.70 and 85,942,846.60

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Solution

The fourth proportional to 93,312,161.80, 139,968,242.70 and 85,942,846.60 is: 128,914,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,161.80 : 139,968,242.70 = 85,942,846.60 : x
  2. Step 2: Convert to fraction form
    93,312,161.80/139,968,242.70 = 85,942,846.60/x
  3. Step 3: Cross multiply
    93,312,161.80x = 139,968,242.70 × 85,942,846.60
  4. Step 4: Simplify right side
    93,312,161.80x = 12,029,269,211,237,668
  5. Step 5: Solve for x
    x = 12,029,269,211,237,668/93,312,161.80
  6. Step 6: Final answer
    x = 128,914,269.90

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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.