Home / 43,655,942.40-65,483,913.60-40,128,748.80

Finding the Fourth Proportional to 43,655,942.40, 65,483,913.60 and 40,128,748.80

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Solution

The fourth proportional to 43,655,942.40, 65,483,913.60 and 40,128,748.80 is: 60,193,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655,942.40 : 65,483,913.60 = 40,128,748.80 : x
  2. Step 2: Convert to fraction form
    43,655,942.40/65,483,913.60 = 40,128,748.80/x
  3. Step 3: Cross multiply
    43,655,942.40x = 65,483,913.60 × 40,128,748.80
  4. Step 4: Simplify right side
    43,655,942.40x = 2,627,787,519,295,303.50
  5. Step 5: Solve for x
    x = 2,627,787,519,295,303.50/43,655,942.40
  6. Step 6: Final answer
    x = 60,193,123.20

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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.