Home / 292,583,327.88-438,948,231.21-85,321,762.59

Finding the Fourth Proportional to 292,583,327.88, 438,948,231.21 and 85,321,762.59

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Solution

The fourth proportional to 292,583,327.88, 438,948,231.21 and 85,321,762.59 is: 128,004,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,583,327.88 : 438,948,231.21 = 85,321,762.59 : x
  2. Step 2: Convert to fraction form
    292,583,327.88/438,948,231.21 = 85,321,762.59/x
  3. Step 3: Cross multiply
    292,583,327.88x = 438,948,231.21 × 85,321,762.59
  4. Step 4: Simplify right side
    292,583,327.88x = 37,451,836,772,600,048
  5. Step 5: Solve for x
    x = 37,451,836,772,600,048/292,583,327.88
  6. Step 6: Final answer
    x = 128,004,001.61

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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.