Finding the Fourth Proportional to 137,240,608.52, 189,395,330.57 and 74,519,350.07
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Solution
The fourth proportional to 137,240,608.52, 189,395,330.57 and 74,519,350.07 is: 102,838,489.95
Step by Step Solution
- Step 1: Write the proportion equation
137,240,608.52 : 189,395,330.57 = 74,519,350.07 : x - Step 2: Convert to fraction form
137,240,608.52/189,395,330.57 = 74,519,350.07/x - Step 3: Cross multiply
137,240,608.52x = 189,395,330.57 × 74,519,350.07 - Step 4: Simplify right side
137,240,608.52x = 14,113,616,940,369,200 - Step 5: Solve for x
x = 14,113,616,940,369,200/137,240,608.52 - Step 6: Final answer
x = 102,838,489.95
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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.