Finding the Fourth Proportional to 135,836,658.54, 187,459,201.44 and 76,308,467.94
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Solution
The fourth proportional to 135,836,658.54, 187,459,201.44 and 76,308,467.94 is: 105,308,276.99
Step by Step Solution
- Step 1: Write the proportion equation
135,836,658.54 : 187,459,201.44 = 76,308,467.94 : x - Step 2: Convert to fraction form
135,836,658.54/187,459,201.44 = 76,308,467.94/x - Step 3: Cross multiply
135,836,658.54x = 187,459,201.44 × 76,308,467.94 - Step 4: Simplify right side
135,836,658.54x = 14,304,724,463,142,242 - Step 5: Solve for x
x = 14,304,724,463,142,242/135,836,658.54 - Step 6: Final answer
x = 105,308,276.99
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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.