Home / 328,102,222.80-492,090,348.60-98,078,811.60

Finding the Fourth Proportional to 328,102,222.80, 492,090,348.60 and 98,078,811.60

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Solution

The fourth proportional to 328,102,222.80, 492,090,348.60 and 98,078,811.60 is: 147,099,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,102,222.80 : 492,090,348.60 = 98,078,811.60 : x
  2. Step 2: Convert to fraction form
    328,102,222.80/492,090,348.60 = 98,078,811.60/x
  3. Step 3: Cross multiply
    328,102,222.80x = 492,090,348.60 × 98,078,811.60
  4. Step 4: Simplify right side
    328,102,222.80x = 48,263,636,590,517,720
  5. Step 5: Solve for x
    x = 48,263,636,590,517,720/328,102,222.80
  6. Step 6: Final answer
    x = 147,099,389.27

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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.