Home / 53,990,939.70-80,986,409.55-49,833,890.10

Finding the Fourth Proportional to 53,990,939.70, 80,986,409.55 and 49,833,890.10

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Solution

The fourth proportional to 53,990,939.70, 80,986,409.55 and 49,833,890.10 is: 74,750,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990,939.70 : 80,986,409.55 = 49,833,890.10 : x
  2. Step 2: Convert to fraction form
    53,990,939.70/80,986,409.55 = 49,833,890.10/x
  3. Step 3: Cross multiply
    53,990,939.70x = 80,986,409.55 × 49,833,890.10
  4. Step 4: Simplify right side
    53,990,939.70x = 4,035,867,833,108,290.50
  5. Step 5: Solve for x
    x = 4,035,867,833,108,290.50/53,990,939.70
  6. Step 6: Final answer
    x = 74,750,835.15

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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.