Finding the Fourth Proportional to 71,608,496.18, 98,831,576.14 and 42,247,007.06
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Solution
The fourth proportional to 71,608,496.18, 98,831,576.14 and 42,247,007.06 is: 58,307,861.74
Step by Step Solution
- Step 1: Write the proportion equation
71,608,496.18 : 98,831,576.14 = 42,247,007.06 : x - Step 2: Convert to fraction form
71,608,496.18/98,831,576.14 = 42,247,007.06/x - Step 3: Cross multiply
71,608,496.18x = 98,831,576.14 × 42,247,007.06 - Step 4: Simplify right side
71,608,496.18x = 4,175,338,294,937,508 - Step 5: Solve for x
x = 4,175,338,294,937,508/71,608,496.18 - Step 6: Final answer
x = 58,307,861.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.