Finding the Fourth Proportional to 68,836,889.83, 94,991,490.99 and 37,896,394.81
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Solution
The fourth proportional to 68,836,889.83, 94,991,490.99 and 37,896,394.81 is: 52,295,143.70
Step by Step Solution
- Step 1: Write the proportion equation
68,836,889.83 : 94,991,490.99 = 37,896,394.81 : x - Step 2: Convert to fraction form
68,836,889.83/94,991,490.99 = 37,896,394.81/x - Step 3: Cross multiply
68,836,889.83x = 94,991,490.99 × 37,896,394.81 - Step 4: Simplify right side
68,836,889.83x = 3,599,835,045,483,158.50 - Step 5: Solve for x
x = 3,599,835,045,483,158.50/68,836,889.83 - Step 6: Final answer
x = 52,295,143.70
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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.