Home / 265,890,389.20-366,989,958.60-155,917,531.60

Finding the Fourth Proportional to 265,890,389.20, 366,989,958.60 and 155,917,531.60

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Solution

The fourth proportional to 265,890,389.20, 366,989,958.60 and 155,917,531.60 is: 215,202,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,389.20 : 366,989,958.60 = 155,917,531.60 : x
  2. Step 2: Convert to fraction form
    265,890,389.20/366,989,958.60 = 155,917,531.60/x
  3. Step 3: Cross multiply
    265,890,389.20x = 366,989,958.60 × 155,917,531.60
  4. Step 4: Simplify right side
    265,890,389.20x = 57,220,168,466,898,192
  5. Step 5: Solve for x
    x = 57,220,168,466,898,192/265,890,389.20
  6. Step 6: Final answer
    x = 215,202,093.76

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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.