Finding the Fourth Proportional to 252,360,603.20, 348,258,114.39 and 139,330,313.63
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Solution
The fourth proportional to 252,360,603.20, 348,258,114.39 and 139,330,313.63 is: 192,276,098.91
Step by Step Solution
- Step 1: Write the proportion equation
252,360,603.20 : 348,258,114.39 = 139,330,313.63 : x - Step 2: Convert to fraction form
252,360,603.20/348,258,114.39 = 139,330,313.63/x - Step 3: Cross multiply
252,360,603.20x = 348,258,114.39 × 139,330,313.63 - Step 4: Simplify right side
252,360,603.20x = 48,522,912,302,238,280 - Step 5: Solve for x
x = 48,522,912,302,238,280/252,360,603.20 - Step 6: Final answer
x = 192,276,098.91
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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.