Finding the Fourth Proportional to 85,322,694.18, 117,745,316.14 and 46,164,470.94
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Solution
The fourth proportional to 85,322,694.18, 117,745,316.14 and 46,164,470.94 is: 63,706,968.91
Step by Step Solution
- Step 1: Write the proportion equation
85,322,694.18 : 117,745,316.14 = 46,164,470.94 : x - Step 2: Convert to fraction form
85,322,694.18/117,745,316.14 = 46,164,470.94/x - Step 3: Cross multiply
85,322,694.18x = 117,745,316.14 × 46,164,470.94 - Step 4: Simplify right side
85,322,694.18x = 5,435,650,225,266,143 - Step 5: Solve for x
x = 5,435,650,225,266,143/85,322,694.18 - Step 6: Final answer
x = 63,706,968.91
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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.