Home / 49,147,287.40-73,776,918.30-28,963,901.80

Finding the Fourth Proportional to 49,147,287.40, 73,776,918.30 and 28,963,901.80

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Solution

The fourth proportional to 49,147,287.40, 73,776,918.30 and 28,963,901.80 is: 43,478,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147,287.40 : 73,776,918.30 = 28,963,901.80 : x
  2. Step 2: Convert to fraction form
    49,147,287.40/73,776,918.30 = 28,963,901.80/x
  3. Step 3: Cross multiply
    49,147,287.40x = 73,776,918.30 × 28,963,901.80
  4. Step 4: Simplify right side
    49,147,287.40x = 2,136,867,416,747,823
  5. Step 5: Solve for x
    x = 2,136,867,416,747,823/49,147,287.40
  6. Step 6: Final answer
    x = 43,478,847.56

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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.