Home / 76,623,863.88-105,739,456.60-41,816,803.42

Finding the Fourth Proportional to 76,623,863.88, 105,739,456.60 and 41,816,803.42

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Solution

The fourth proportional to 76,623,863.88, 105,739,456.60 and 41,816,803.42 is: 57,706,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,863.88 : 105,739,456.60 = 41,816,803.42 : x
  2. Step 2: Convert to fraction form
    76,623,863.88/105,739,456.60 = 41,816,803.42/x
  3. Step 3: Cross multiply
    76,623,863.88x = 105,739,456.60 × 41,816,803.42
  4. Step 4: Simplify right side
    76,623,863.88x = 4,421,686,070,379,821.50
  5. Step 5: Solve for x
    x = 4,421,686,070,379,821.50/76,623,863.88
  6. Step 6: Final answer
    x = 57,706,383.45

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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.