Finding the Fourth Proportional to 139,363,846.92, 192,332,881.62 and 83,611,365.48
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Solution
The fourth proportional to 139,363,846.92, 192,332,881.62 and 83,611,365.48 is: 115,390,147.55
Step by Step Solution
- Step 1: Write the proportion equation
139,363,846.92 : 192,332,881.62 = 83,611,365.48 : x - Step 2: Convert to fraction form
139,363,846.92/192,332,881.62 = 83,611,365.48/x - Step 3: Cross multiply
139,363,846.92x = 192,332,881.62 × 83,611,365.48 - Step 4: Simplify right side
139,363,846.92x = 16,081,214,858,951,396 - Step 5: Solve for x
x = 16,081,214,858,951,396/139,363,846.92 - Step 6: Final answer
x = 115,390,147.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.