Home / 85,109,119.80-127,579,698.90-41,942,988.60

Finding the Fourth Proportional to 85,109,119.80, 127,579,698.90 and 41,942,988.60

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Solution

The fourth proportional to 85,109,119.80, 127,579,698.90 and 41,942,988.60 is: 62,873,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109,119.80 : 127,579,698.90 = 41,942,988.60 : x
  2. Step 2: Convert to fraction form
    85,109,119.80/127,579,698.90 = 41,942,988.60/x
  3. Step 3: Cross multiply
    85,109,119.80x = 127,579,698.90 × 41,942,988.60
  4. Step 4: Simplify right side
    85,109,119.80x = 5,351,073,856,554,133
  5. Step 5: Solve for x
    x = 5,351,073,856,554,133/85,109,119.80
  6. Step 6: Final answer
    x = 62,873,095.96

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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.