Finding the Fourth Proportional to 67,072,886.53, 92,546,901.11 and 39,190,203.92
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Solution
The fourth proportional to 67,072,886.53, 92,546,901.11 and 39,190,203.92 is: 54,074,486.95
Step by Step Solution
- Step 1: Write the proportion equation
67,072,886.53 : 92,546,901.11 = 39,190,203.92 : x - Step 2: Convert to fraction form
67,072,886.53/92,546,901.11 = 39,190,203.92/x - Step 3: Cross multiply
67,072,886.53x = 92,546,901.11 × 39,190,203.92 - Step 4: Simplify right side
67,072,886.53x = 3,626,931,926,994,317 - Step 5: Solve for x
x = 3,626,931,926,994,317/67,072,886.53 - Step 6: Final answer
x = 54,074,486.95
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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.