Home / 49,776,005.80-74,664,008.70-42,469,676.20

Finding the Fourth Proportional to 49,776,005.80, 74,664,008.70 and 42,469,676.20

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Solution

The fourth proportional to 49,776,005.80, 74,664,008.70 and 42,469,676.20 is: 63,704,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,776,005.80 : 74,664,008.70 = 42,469,676.20 : x
  2. Step 2: Convert to fraction form
    49,776,005.80/74,664,008.70 = 42,469,676.20/x
  3. Step 3: Cross multiply
    49,776,005.80x = 74,664,008.70 × 42,469,676.20
  4. Step 4: Simplify right side
    49,776,005.80x = 3,170,956,273,282,983.50
  5. Step 5: Solve for x
    x = 3,170,956,273,282,983.50/49,776,005.80
  6. Step 6: Final answer
    x = 63,704,514.30

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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.