Finding the Fourth Proportional to 66,495,725.61, 91,763,232.19 and 37,127,558.04
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Solution
The fourth proportional to 66,495,725.61, 91,763,232.19 and 37,127,558.04 is: 51,235,544.81
Step by Step Solution
- Step 1: Write the proportion equation
66,495,725.61 : 91,763,232.19 = 37,127,558.04 : x - Step 2: Convert to fraction form
66,495,725.61/91,763,232.19 = 37,127,558.04/x - Step 3: Cross multiply
66,495,725.61x = 91,763,232.19 × 37,127,558.04 - Step 4: Simplify right side
66,495,725.61x = 3,406,944,729,072,221 - Step 5: Solve for x
x = 3,406,944,729,072,221/66,495,725.61 - Step 6: Final answer
x = 51,235,544.81
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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.