Finding the Fourth Proportional to 69,372,029.09, 104,062,831.64 and 20,188,289.14
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Solution
The fourth proportional to 69,372,029.09, 104,062,831.64 and 20,188,289.14 is: 30,283,827.09
Step by Step Solution
- Step 1: Write the proportion equation
69,372,029.09 : 104,062,831.64 = 20,188,289.14 : x - Step 2: Convert to fraction form
69,372,029.09/104,062,831.64 = 20,188,289.14/x - Step 3: Cross multiply
69,372,029.09x = 104,062,831.64 × 20,188,289.14 - Step 4: Simplify right side
69,372,029.09x = 2,100,850,533,590,068 - Step 5: Solve for x
x = 2,100,850,533,590,068/69,372,029.09 - Step 6: Final answer
x = 30,283,827.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.