Home / 43,725,885.20-65,439,528.60-40,142,704.40

Finding the Fourth Proportional to 43,725,885.20, 65,439,528.60 and 40,142,704.40

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Solution

The fourth proportional to 43,725,885.20, 65,439,528.60 and 40,142,704.40 is: 60,076,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725,885.20 : 65,439,528.60 = 40,142,704.40 : x
  2. Step 2: Convert to fraction form
    43,725,885.20/65,439,528.60 = 40,142,704.40/x
  3. Step 3: Cross multiply
    43,725,885.20x = 65,439,528.60 × 40,142,704.40
  4. Step 4: Simplify right side
    43,725,885.20x = 2,626,919,652,665,146
  5. Step 5: Solve for x
    x = 2,626,919,652,665,146/43,725,885.20
  6. Step 6: Final answer
    x = 60,076,991.94

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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.