Finding the Fourth Proportional to 103,136,847.14, 142,331,541.18 and 56,728,318.88
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Solution
The fourth proportional to 103,136,847.14, 142,331,541.18 and 56,728,318.88 is: 78,286,560.80
Step by Step Solution
- Step 1: Write the proportion equation
103,136,847.14 : 142,331,541.18 = 56,728,318.88 : x - Step 2: Convert to fraction form
103,136,847.14/142,331,541.18 = 56,728,318.88/x - Step 3: Cross multiply
103,136,847.14x = 142,331,541.18 × 56,728,318.88 - Step 4: Simplify right side
103,136,847.14x = 8,074,229,054,740,892 - Step 5: Solve for x
x = 8,074,229,054,740,892/103,136,847.14 - Step 6: Final answer
x = 78,286,560.80
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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.