Home / 99,922,623.40-137,850,995.76-66,893,512.60

Finding the Fourth Proportional to 99,922,623.40, 137,850,995.76 and 66,893,512.60

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Solution

The fourth proportional to 99,922,623.40, 137,850,995.76 and 66,893,512.60 is: 92,284,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,922,623.40 : 137,850,995.76 = 66,893,512.60 : x
  2. Step 2: Convert to fraction form
    99,922,623.40/137,850,995.76 = 66,893,512.60/x
  3. Step 3: Cross multiply
    99,922,623.40x = 137,850,995.76 × 66,893,512.60
  4. Step 4: Simplify right side
    99,922,623.40x = 9,221,337,321,794,106
  5. Step 5: Solve for x
    x = 9,221,337,321,794,106/99,922,623.40
  6. Step 6: Final answer
    x = 92,284,780.04

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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.