Home / 82,072,628.88-123,142,856.40-35,990,653.20

Finding the Fourth Proportional to 82,072,628.88, 123,142,856.40 and 35,990,653.20

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Solution

The fourth proportional to 82,072,628.88, 123,142,856.40 and 35,990,653.20 is: 54,000,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,072,628.88 : 123,142,856.40 = 35,990,653.20 : x
  2. Step 2: Convert to fraction form
    82,072,628.88/123,142,856.40 = 35,990,653.20/x
  3. Step 3: Cross multiply
    82,072,628.88x = 123,142,856.40 × 35,990,653.20
  4. Step 4: Simplify right side
    82,072,628.88x = 4,431,991,838,749,801
  5. Step 5: Solve for x
    x = 4,431,991,838,749,801/82,072,628.88
  6. Step 6: Final answer
    x = 54,000,851.43

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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.