Home / 76,635,205.60-114,952,808.40-68,321,106.40

Finding the Fourth Proportional to 76,635,205.60, 114,952,808.40 and 68,321,106.40

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Solution

The fourth proportional to 76,635,205.60, 114,952,808.40 and 68,321,106.40 is: 102,481,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,635,205.60 : 114,952,808.40 = 68,321,106.40 : x
  2. Step 2: Convert to fraction form
    76,635,205.60/114,952,808.40 = 68,321,106.40/x
  3. Step 3: Cross multiply
    76,635,205.60x = 114,952,808.40 × 68,321,106.40
  4. Step 4: Simplify right side
    76,635,205.60x = 7,853,703,053,675,215
  5. Step 5: Solve for x
    x = 7,853,703,053,675,215/76,635,205.60
  6. Step 6: Final answer
    x = 102,481,659.60

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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.