Finding the Fourth Proportional to 74,472,599.67, 102,729,391.75 and 46,546,845.20
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Solution
The fourth proportional to 74,472,599.67, 102,729,391.75 and 46,546,845.20 is: 64,207,898.15
Step by Step Solution
- Step 1: Write the proportion equation
74,472,599.67 : 102,729,391.75 = 46,546,845.20 : x - Step 2: Convert to fraction form
74,472,599.67/102,729,391.75 = 46,546,845.20/x - Step 3: Cross multiply
74,472,599.67x = 102,729,391.75 × 46,546,845.20 - Step 4: Simplify right side
74,472,599.67x = 4,781,729,094,531,026 - Step 5: Solve for x
x = 4,781,729,094,531,026/74,472,599.67 - Step 6: Final answer
x = 64,207,898.15
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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.