Home / 416,090,899.89-624,225,796.77-120,991,148.13

Finding the Fourth Proportional to 416,090,899.89, 624,225,796.77 and 120,991,148.13

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Solution

The fourth proportional to 416,090,899.89, 624,225,796.77 and 120,991,148.13 is: 181,512,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,090,899.89 : 624,225,796.77 = 120,991,148.13 : x
  2. Step 2: Convert to fraction form
    416,090,899.89/624,225,796.77 = 120,991,148.13/x
  3. Step 3: Cross multiply
    416,090,899.89x = 624,225,796.77 × 120,991,148.13
  4. Step 4: Simplify right side
    416,090,899.89x = 75,525,795,842,170,384
  5. Step 5: Solve for x
    x = 75,525,795,842,170,384/416,090,899.89
  6. Step 6: Final answer
    x = 181,512,731.62

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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.