Finding the Fourth Proportional to 71,066,334.52, 106,599,486.66 and 38,745,419.68
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Solution
The fourth proportional to 71,066,334.52, 106,599,486.66 and 38,745,419.68 is: 58,118,121.28
Step by Step Solution
- Step 1: Write the proportion equation
71,066,334.52 : 106,599,486.66 = 38,745,419.68 : x - Step 2: Convert to fraction form
71,066,334.52/106,599,486.66 = 38,745,419.68/x - Step 3: Cross multiply
71,066,334.52x = 106,599,486.66 × 38,745,419.68 - Step 4: Simplify right side
71,066,334.52x = 4,130,241,848,314,261.50 - Step 5: Solve for x
x = 4,130,241,848,314,261.50/71,066,334.52 - Step 6: Final answer
x = 58,118,121.28
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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.