Finding the Fourth Proportional to 121,738,653.49, 182,493,671.11 and 40,903,089.97
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Solution
The fourth proportional to 121,738,653.49, 182,493,671.11 and 40,903,089.97 is: 61,316,228.12
Step by Step Solution
- Step 1: Write the proportion equation
121,738,653.49 : 182,493,671.11 = 40,903,089.97 : x - Step 2: Convert to fraction form
121,738,653.49/182,493,671.11 = 40,903,089.97/x - Step 3: Cross multiply
121,738,653.49x = 182,493,671.11 × 40,903,089.97 - Step 4: Simplify right side
121,738,653.49x = 7,464,555,048,367,920 - Step 5: Solve for x
x = 7,464,555,048,367,920/121,738,653.49 - Step 6: Final answer
x = 61,316,228.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.