Home / 163,615,558.81-225,789,314.02-90,276,704.41

Finding the Fourth Proportional to 163,615,558.81, 225,789,314.02 and 90,276,704.41

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Solution

The fourth proportional to 163,615,558.81, 225,789,314.02 and 90,276,704.41 is: 124,581,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,615,558.81 : 225,789,314.02 = 90,276,704.41 : x
  2. Step 2: Convert to fraction form
    163,615,558.81/225,789,314.02 = 90,276,704.41/x
  3. Step 3: Cross multiply
    163,615,558.81x = 225,789,314.02 × 90,276,704.41
  4. Step 4: Simplify right side
    163,615,558.81x = 20,383,515,160,720,208
  5. Step 5: Solve for x
    x = 20,383,515,160,720,208/163,615,558.81
  6. Step 6: Final answer
    x = 124,581,765.38

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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.