Finding the Fourth Proportional to 68,645,899.48, 94,732,976.82 and 37,706,716.84
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Solution
The fourth proportional to 68,645,899.48, 94,732,976.82 and 37,706,716.84 is: 52,036,167.63
Step by Step Solution
- Step 1: Write the proportion equation
68,645,899.48 : 94,732,976.82 = 37,706,716.84 : x - Step 2: Convert to fraction form
68,645,899.48/94,732,976.82 = 37,706,716.84/x - Step 3: Cross multiply
68,645,899.48x = 94,732,976.82 × 37,706,716.84 - Step 4: Simplify right side
68,645,899.48x = 3,572,069,532,362,023.50 - Step 5: Solve for x
x = 3,572,069,532,362,023.50/68,645,899.48 - Step 6: Final answer
x = 52,036,167.63
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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.