Finding the Fourth Proportional to 68,135,459.16, 94,027,315.52 and 38,766,791.10
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Solution
The fourth proportional to 68,135,459.16, 94,027,315.52 and 38,766,791.10 is: 53,498,388.99
Step by Step Solution
- Step 1: Write the proportion equation
68,135,459.16 : 94,027,315.52 = 38,766,791.10 : x - Step 2: Convert to fraction form
68,135,459.16/94,027,315.52 = 38,766,791.10/x - Step 3: Cross multiply
68,135,459.16x = 94,027,315.52 × 38,766,791.10 - Step 4: Simplify right side
68,135,459.16x = 3,645,137,298,457,628 - Step 5: Solve for x
x = 3,645,137,298,457,628/68,135,459.16 - Step 6: Final answer
x = 53,498,388.99
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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.