Home / 163,443,728.20-225,553,883.94-90,107,494.60

Finding the Fourth Proportional to 163,443,728.20, 225,553,883.94 and 90,107,494.60

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Solution

The fourth proportional to 163,443,728.20, 225,553,883.94 and 90,107,494.60 is: 124,349,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,443,728.20 : 225,553,883.94 = 90,107,494.60 : x
  2. Step 2: Convert to fraction form
    163,443,728.20/225,553,883.94 = 90,107,494.60/x
  3. Step 3: Cross multiply
    163,443,728.20x = 225,553,883.94 × 90,107,494.60
  4. Step 4: Simplify right side
    163,443,728.20x = 20,324,095,379,132,576
  5. Step 5: Solve for x
    x = 20,324,095,379,132,576/163,443,728.20
  6. Step 6: Final answer
    x = 124,349,191.02

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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.