Finding the Fourth Proportional to 103,252,764.12, 142,497,143.16 and 59,203,861.20
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Solution
The fourth proportional to 103,252,764.12, 142,497,143.16 and 59,203,861.20 is: 81,706,104.02
Step by Step Solution
- Step 1: Write the proportion equation
103,252,764.12 : 142,497,143.16 = 59,203,861.20 : x - Step 2: Convert to fraction form
103,252,764.12/142,497,143.16 = 59,203,861.20/x - Step 3: Cross multiply
103,252,764.12x = 142,497,143.16 × 59,203,861.20 - Step 4: Simplify right side
103,252,764.12x = 8,436,381,085,041,170 - Step 5: Solve for x
x = 8,436,381,085,041,170/103,252,764.12 - Step 6: Final answer
x = 81,706,104.02
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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.