Finding the Fourth Proportional to 75,694,172.42, 104,457,941.84 and 40,886,863.20
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Solution
The fourth proportional to 75,694,172.42, 104,457,941.84 and 40,886,863.20 is: 56,423,862.52
Step by Step Solution
- Step 1: Write the proportion equation
75,694,172.42 : 104,457,941.84 = 40,886,863.20 : x - Step 2: Convert to fraction form
75,694,172.42/104,457,941.84 = 40,886,863.20/x - Step 3: Cross multiply
75,694,172.42x = 104,457,941.84 × 40,886,863.20 - Step 4: Simplify right side
75,694,172.42x = 4,270,957,577,961,202 - Step 5: Solve for x
x = 4,270,957,577,961,202/75,694,172.42 - Step 6: Final answer
x = 56,423,862.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.