Finding the Fourth Proportional to 51,114,363.36, 70,539,274.80 and 27,910,963.68
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Solution
The fourth proportional to 51,114,363.36, 70,539,274.80 and 27,910,963.68 is: 38,517,923.49
Step by Step Solution
- Step 1: Write the proportion equation
51,114,363.36 : 70,539,274.80 = 27,910,963.68 : x - Step 2: Convert to fraction form
51,114,363.36/70,539,274.80 = 27,910,963.68/x - Step 3: Cross multiply
51,114,363.36x = 70,539,274.80 × 27,910,963.68 - Step 4: Simplify right side
51,114,363.36x = 1,968,819,136,956,339.25 - Step 5: Solve for x
x = 1,968,819,136,956,339.25/51,114,363.36 - Step 6: Final answer
x = 38,517,923.49
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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.