Finding the Fourth Proportional to 108,483,284.18, 149,620,310.24 and 71,351,683.76
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Solution
The fourth proportional to 108,483,284.18, 149,620,310.24 and 71,351,683.76 is: 98,408,350.57
Step by Step Solution
- Step 1: Write the proportion equation
108,483,284.18 : 149,620,310.24 = 71,351,683.76 : x - Step 2: Convert to fraction form
108,483,284.18/149,620,310.24 = 71,351,683.76/x - Step 3: Cross multiply
108,483,284.18x = 149,620,310.24 × 71,351,683.76 - Step 4: Simplify right side
108,483,284.18x = 10,675,661,060,317,572 - Step 5: Solve for x
x = 10,675,661,060,317,572/108,483,284.18 - Step 6: Final answer
x = 98,408,350.57
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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.