Finding the Fourth Proportional to 68,548,238.86, 94,596,569.63 and 39,180,201.99
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Solution
The fourth proportional to 68,548,238.86, 94,596,569.63 and 39,180,201.99 is: 54,068,678.75
Step by Step Solution
- Step 1: Write the proportion equation
68,548,238.86 : 94,596,569.63 = 39,180,201.99 : x - Step 2: Convert to fraction form
68,548,238.86/94,596,569.63 = 39,180,201.99/x - Step 3: Cross multiply
68,548,238.86x = 94,596,569.63 × 39,180,201.99 - Step 4: Simplify right side
68,548,238.86x = 3,706,312,705,747,276.50 - Step 5: Solve for x
x = 3,706,312,705,747,276.50/68,548,238.86 - Step 6: Final answer
x = 54,068,678.75
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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.