Home / 248,071,336.55-372,078,611.73-66,332,686.31

Finding the Fourth Proportional to 248,071,336.55, 372,078,611.73 and 66,332,686.31

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Solution

The fourth proportional to 248,071,336.55, 372,078,611.73 and 66,332,686.31 is: 99,491,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,071,336.55 : 372,078,611.73 = 66,332,686.31 : x
  2. Step 2: Convert to fraction form
    248,071,336.55/372,078,611.73 = 66,332,686.31/x
  3. Step 3: Cross multiply
    248,071,336.55x = 372,078,611.73 × 66,332,686.31
  4. Step 4: Simplify right side
    248,071,336.55x = 24,680,973,834,546,380
  5. Step 5: Solve for x
    x = 24,680,973,834,546,380/248,071,336.55
  6. Step 6: Final answer
    x = 99,491,437.33

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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.