Home / 275,648,916.88-380,403,619.44-151,897,565.60

Finding the Fourth Proportional to 275,648,916.88, 380,403,619.44 and 151,897,565.60

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Solution

The fourth proportional to 275,648,916.88, 380,403,619.44 and 151,897,565.60 is: 209,623,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,648,916.88 : 380,403,619.44 = 151,897,565.60 : x
  2. Step 2: Convert to fraction form
    275,648,916.88/380,403,619.44 = 151,897,565.60/x
  3. Step 3: Cross multiply
    275,648,916.88x = 380,403,619.44 × 151,897,565.60
  4. Step 4: Simplify right side
    275,648,916.88x = 57,782,383,738,364,832
  5. Step 5: Solve for x
    x = 57,782,383,738,364,832/275,648,916.88
  6. Step 6: Final answer
    x = 209,623,111.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.