Home / 439,900,143.80-659,682,254.10-133,090,287.80

Finding the Fourth Proportional to 439,900,143.80, 659,682,254.10 and 133,090,287.80

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Solution

The fourth proportional to 439,900,143.80, 659,682,254.10 and 133,090,287.80 is: 199,584,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,900,143.80 : 659,682,254.10 = 133,090,287.80 : x
  2. Step 2: Convert to fraction form
    439,900,143.80/659,682,254.10 = 133,090,287.80/x
  3. Step 3: Cross multiply
    439,900,143.80x = 659,682,254.10 × 133,090,287.80
  4. Step 4: Simplify right side
    439,900,143.80x = 87,797,301,054,721,728
  5. Step 5: Solve for x
    x = 87,797,301,054,721,728/439,900,143.80
  6. Step 6: Final answer
    x = 199,584,615.49

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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.