Home / 43,939,903.60-65,909,855.40-25,979,762.80

Finding the Fourth Proportional to 43,939,903.60, 65,909,855.40 and 25,979,762.80

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Solution

The fourth proportional to 43,939,903.60, 65,909,855.40 and 25,979,762.80 is: 38,969,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939,903.60 : 65,909,855.40 = 25,979,762.80 : x
  2. Step 2: Convert to fraction form
    43,939,903.60/65,909,855.40 = 25,979,762.80/x
  3. Step 3: Cross multiply
    43,939,903.60x = 65,909,855.40 × 25,979,762.80
  4. Step 4: Simplify right side
    43,939,903.60x = 1,712,322,409,474,299.25
  5. Step 5: Solve for x
    x = 1,712,322,409,474,299.25/43,939,903.60
  6. Step 6: Final answer
    x = 38,969,644.20

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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.