Home / 43,876,686.80-65,815,030.20-31,122,102.80

Finding the Fourth Proportional to 43,876,686.80, 65,815,030.20 and 31,122,102.80

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Solution

The fourth proportional to 43,876,686.80, 65,815,030.20 and 31,122,102.80 is: 46,683,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876,686.80 : 65,815,030.20 = 31,122,102.80 : x
  2. Step 2: Convert to fraction form
    43,876,686.80/65,815,030.20 = 31,122,102.80/x
  3. Step 3: Cross multiply
    43,876,686.80x = 65,815,030.20 × 31,122,102.80
  4. Step 4: Simplify right side
    43,876,686.80x = 2,048,302,135,669,504.75
  5. Step 5: Solve for x
    x = 2,048,302,135,669,504.75/43,876,686.80
  6. Step 6: Final answer
    x = 46,683,154.20

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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.