Finding the Fourth Proportional to 239,696,637.68, 330,687,244.27 and 139,207,968.73
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Solution
The fourth proportional to 239,696,637.68, 330,687,244.27 and 139,207,968.73 is: 192,052,337.51
Step by Step Solution
- Step 1: Write the proportion equation
239,696,637.68 : 330,687,244.27 = 139,207,968.73 : x - Step 2: Convert to fraction form
239,696,637.68/330,687,244.27 = 139,207,968.73/x - Step 3: Cross multiply
239,696,637.68x = 330,687,244.27 × 139,207,968.73 - Step 4: Simplify right side
239,696,637.68x = 46,034,299,560,336,792 - Step 5: Solve for x
x = 46,034,299,560,336,792/239,696,637.68 - Step 6: Final answer
x = 192,052,337.51
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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.