Finding the Fourth Proportional to 213,627,188.16, 320,572,352.16 and 84,212,775.36
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Solution
The fourth proportional to 213,627,188.16, 320,572,352.16 and 84,212,775.36 is: 126,371,028.48
Step by Step Solution
- Step 1: Write the proportion equation
213,627,188.16 : 320,572,352.16 = 84,212,775.36 : x - Step 2: Convert to fraction form
213,627,188.16/320,572,352.16 = 84,212,775.36/x - Step 3: Cross multiply
213,627,188.16x = 320,572,352.16 × 84,212,775.36 - Step 4: Simplify right side
213,627,188.16x = 26,996,287,479,076,892 - Step 5: Solve for x
x = 26,996,287,479,076,892/213,627,188.16 - Step 6: Final answer
x = 126,371,028.48
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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.