Home / 43,939,901.60-65,909,852.40-25,979,760.80

Finding the Fourth Proportional to 43,939,901.60, 65,909,852.40 and 25,979,760.80

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Solution

The fourth proportional to 43,939,901.60, 65,909,852.40 and 25,979,760.80 is: 38,969,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939,901.60 : 65,909,852.40 = 25,979,760.80 : x
  2. Step 2: Convert to fraction form
    43,939,901.60/65,909,852.40 = 25,979,760.80/x
  3. Step 3: Cross multiply
    43,939,901.60x = 65,909,852.40 × 25,979,760.80
  4. Step 4: Simplify right side
    43,939,901.60x = 1,712,322,199,715,306
  5. Step 5: Solve for x
    x = 1,712,322,199,715,306/43,939,901.60
  6. Step 6: Final answer
    x = 38,969,641.20

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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.