Finding the Fourth Proportional to 86,292,093.56, 129,420,683.20 and 31,685,937.08
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Solution
The fourth proportional to 86,292,093.56, 129,420,683.20 and 31,685,937.08 is: 47,522,495.46
Step by Step Solution
- Step 1: Write the proportion equation
86,292,093.56 : 129,420,683.20 = 31,685,937.08 : x - Step 2: Convert to fraction form
86,292,093.56/129,420,683.20 = 31,685,937.08/x - Step 3: Cross multiply
86,292,093.56x = 129,420,683.20 × 31,685,937.08 - Step 4: Simplify right side
86,292,093.56x = 4,100,815,624,725,813 - Step 5: Solve for x
x = 4,100,815,624,725,813/86,292,093.56 - Step 6: Final answer
x = 47,522,495.46
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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.