Finding the Fourth Proportional to 135,991,458.19, 187,662,737.37 and 74,110,468.15
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Solution
The fourth proportional to 135,991,458.19, 187,662,737.37 and 74,110,468.15 is: 102,269,462.41
Step by Step Solution
- Step 1: Write the proportion equation
135,991,458.19 : 187,662,737.37 = 74,110,468.15 : x - Step 2: Convert to fraction form
135,991,458.19/187,662,737.37 = 74,110,468.15/x - Step 3: Cross multiply
135,991,458.19x = 187,662,737.37 × 74,110,468.15 - Step 4: Simplify right side
135,991,458.19x = 13,907,773,320,896,452 - Step 5: Solve for x
x = 13,907,773,320,896,452/135,991,458.19 - Step 6: Final answer
x = 102,269,462.41
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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.