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Finding the Fourth Proportional to 40,315,005.60, 60,621,807.60 and 33,745,840.80

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Solution

The fourth proportional to 40,315,005.60, 60,621,807.60 and 33,745,840.80 is: 50,743,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315,005.60 : 60,621,807.60 = 33,745,840.80 : x
  2. Step 2: Convert to fraction form
    40,315,005.60/60,621,807.60 = 33,745,840.80/x
  3. Step 3: Cross multiply
    40,315,005.60x = 60,621,807.60 × 33,745,840.80
  4. Step 4: Simplify right side
    40,315,005.60x = 2,045,733,868,277,830
  5. Step 5: Solve for x
    x = 2,045,733,868,277,830/40,315,005.60
  6. Step 6: Final answer
    x = 50,743,732.71

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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.