Finding the Fourth Proportional to 67,968,886.41, 93,772,458.74 and 44,460,841.64
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Solution
The fourth proportional to 67,968,886.41, 93,772,458.74 and 44,460,841.64 is: 61,339,866.78
Step by Step Solution
- Step 1: Write the proportion equation
67,968,886.41 : 93,772,458.74 = 44,460,841.64 : x - Step 2: Convert to fraction form
67,968,886.41/93,772,458.74 = 44,460,841.64/x - Step 3: Cross multiply
67,968,886.41x = 93,772,458.74 × 44,460,841.64 - Step 4: Simplify right side
67,968,886.41x = 4,169,202,437,874,864 - Step 5: Solve for x
x = 4,169,202,437,874,864/67,968,886.41 - Step 6: Final answer
x = 61,339,866.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.