Finding the Fourth Proportional to 102,957,268.74, 142,046,463.09 and 58,297,138.41
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Solution
The fourth proportional to 102,957,268.74, 142,046,463.09 and 58,297,138.41 is: 80,430,477.81
Step by Step Solution
- Step 1: Write the proportion equation
102,957,268.74 : 142,046,463.09 = 58,297,138.41 : x - Step 2: Convert to fraction form
102,957,268.74/142,046,463.09 = 58,297,138.41/x - Step 3: Cross multiply
102,957,268.74x = 142,046,463.09 × 58,297,138.41 - Step 4: Simplify right side
102,957,268.74x = 8,280,902,319,032,751 - Step 5: Solve for x
x = 8,280,902,319,032,751/102,957,268.74 - Step 6: Final answer
x = 80,430,477.81
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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.