Home / 129,037,306.40-193,555,959.60-43,936,762.40

Finding the Fourth Proportional to 129,037,306.40, 193,555,959.60 and 43,936,762.40

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Solution

The fourth proportional to 129,037,306.40, 193,555,959.60 and 43,936,762.40 is: 65,905,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,037,306.40 : 193,555,959.60 = 43,936,762.40 : x
  2. Step 2: Convert to fraction form
    129,037,306.40/193,555,959.60 = 43,936,762.40/x
  3. Step 3: Cross multiply
    129,037,306.40x = 193,555,959.60 × 43,936,762.40
  4. Step 4: Simplify right side
    129,037,306.40x = 8,504,222,208,049,198
  5. Step 5: Solve for x
    x = 8,504,222,208,049,198/129,037,306.40
  6. Step 6: Final answer
    x = 65,905,143.60

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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.