Finding the Fourth Proportional to 93,786,849.84, 129,426,612.54 and 51,971,613.68
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Solution
The fourth proportional to 93,786,849.84, 129,426,612.54 and 51,971,613.68 is: 71,721,247.90
Step by Step Solution
- Step 1: Write the proportion equation
93,786,849.84 : 129,426,612.54 = 51,971,613.68 : x - Step 2: Convert to fraction form
93,786,849.84/129,426,612.54 = 51,971,613.68/x - Step 3: Cross multiply
93,786,849.84x = 129,426,612.54 × 51,971,613.68 - Step 4: Simplify right side
93,786,849.84x = 6,726,509,906,839,924 - Step 5: Solve for x
x = 6,726,509,906,839,924/93,786,849.84 - Step 6: Final answer
x = 71,721,247.90
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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.