Finding the Fourth Proportional to 68,406,272.16, 94,402,183.68 and 39,037,020
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Solution
The fourth proportional to 68,406,272.16, 94,402,183.68 and 39,037,020 is: 53,871,959.63
Step by Step Solution
- Step 1: Write the proportion equation
68,406,272.16 : 94,402,183.68 = 39,037,020 : x - Step 2: Convert to fraction form
68,406,272.16/94,402,183.68 = 39,037,020/x - Step 3: Cross multiply
68,406,272.16x = 94,402,183.68 × 39,037,020 - Step 4: Simplify right side
68,406,272.16x = 3,685,179,932,359,834 - Step 5: Solve for x
x = 3,685,179,932,359,834/68,406,272.16 - Step 6: Final answer
x = 53,871,959.63
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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.