Finding the Fourth Proportional to 98,516,334.29, 135,929,986.45 and 58,816,138.48
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Solution
The fourth proportional to 98,516,334.29, 135,929,986.45 and 58,816,138.48 is: 81,152,805.41
Step by Step Solution
- Step 1: Write the proportion equation
98,516,334.29 : 135,929,986.45 = 58,816,138.48 : x - Step 2: Convert to fraction form
98,516,334.29/135,929,986.45 = 58,816,138.48/x - Step 3: Cross multiply
98,516,334.29x = 135,929,986.45 × 58,816,138.48 - Step 4: Simplify right side
98,516,334.29x = 7,994,876,906,627,722 - Step 5: Solve for x
x = 7,994,876,906,627,722/98,516,334.29 - Step 6: Final answer
x = 81,152,805.41
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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.