Home / 74,501,584.20-111,879,902.70-40,489,360.20

Finding the Fourth Proportional to 74,501,584.20, 111,879,902.70 and 40,489,360.20

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Solution

The fourth proportional to 74,501,584.20, 111,879,902.70 and 40,489,360.20 is: 60,803,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501,584.20 : 111,879,902.70 = 40,489,360.20 : x
  2. Step 2: Convert to fraction form
    74,501,584.20/111,879,902.70 = 40,489,360.20/x
  3. Step 3: Cross multiply
    74,501,584.20x = 111,879,902.70 × 40,489,360.20
  4. Step 4: Simplify right side
    74,501,584.20x = 4,529,945,679,561,253
  5. Step 5: Solve for x
    x = 4,529,945,679,561,253/74,501,584.20
  6. Step 6: Final answer
    x = 60,803,347.05

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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.