Finding the Fourth Proportional to 76,841,372.63, 106,041,935.57 and 42,034,063.41
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Solution
The fourth proportional to 76,841,372.63, 106,041,935.57 and 42,034,063.41 is: 58,007,467.75
Step by Step Solution
- Step 1: Write the proportion equation
76,841,372.63 : 106,041,935.57 = 42,034,063.41 : x - Step 2: Convert to fraction form
76,841,372.63/106,041,935.57 = 42,034,063.41/x - Step 3: Cross multiply
76,841,372.63x = 106,041,935.57 × 42,034,063.41 - Step 4: Simplify right side
76,841,372.63x = 4,457,373,444,311,302 - Step 5: Solve for x
x = 4,457,373,444,311,302/76,841,372.63 - Step 6: Final answer
x = 58,007,467.75
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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.