Finding the Fourth Proportional to 79,863,122.71, 119,807,920.86 and 28,034,277.63
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Solution
The fourth proportional to 79,863,122.71, 119,807,920.86 and 28,034,277.63 is: 42,056,062.94
Step by Step Solution
- Step 1: Write the proportion equation
79,863,122.71 : 119,807,920.86 = 28,034,277.63 : x - Step 2: Convert to fraction form
79,863,122.71/119,807,920.86 = 28,034,277.63/x - Step 3: Cross multiply
79,863,122.71x = 119,807,920.86 × 28,034,277.63 - Step 4: Simplify right side
79,863,122.71x = 3,358,728,515,662,308 - Step 5: Solve for x
x = 3,358,728,515,662,308/79,863,122.71 - Step 6: Final answer
x = 42,056,062.94
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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.