Home / 49,844,986.40-74,777,588.40-28,289,914.40

Finding the Fourth Proportional to 49,844,986.40, 74,777,588.40 and 28,289,914.40

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Solution

The fourth proportional to 49,844,986.40, 74,777,588.40 and 28,289,914.40 is: 42,440,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,844,986.40 : 74,777,588.40 = 28,289,914.40 : x
  2. Step 2: Convert to fraction form
    49,844,986.40/74,777,588.40 = 28,289,914.40/x
  3. Step 3: Cross multiply
    49,844,986.40x = 74,777,588.40 × 28,289,914.40
  4. Step 4: Simplify right side
    49,844,986.40x = 2,115,451,574,874,433
  5. Step 5: Solve for x
    x = 2,115,451,574,874,433/49,844,986.40
  6. Step 6: Final answer
    x = 42,440,608.93

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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.