Finding the Fourth Proportional to 79,124,788.63, 118,623,786.67 and 37,604,812.33
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Solution
The fourth proportional to 79,124,788.63, 118,623,786.67 and 37,604,812.33 is: 56,377,088.81
Step by Step Solution
- Step 1: Write the proportion equation
79,124,788.63 : 118,623,786.67 = 37,604,812.33 : x - Step 2: Convert to fraction form
79,124,788.63/118,623,786.67 = 37,604,812.33/x - Step 3: Cross multiply
79,124,788.63x = 118,623,786.67 × 37,604,812.33 - Step 4: Simplify right side
79,124,788.63x = 4,460,825,235,599,305.50 - Step 5: Solve for x
x = 4,460,825,235,599,305.50/79,124,788.63 - Step 6: Final answer
x = 56,377,088.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.