Finding the Fourth Proportional to 92,756,773.49, 128,054,043.24 and 71,517,164.18
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Solution
The fourth proportional to 92,756,773.49, 128,054,043.24 and 71,517,164.18 is: 98,732,002.95
Step by Step Solution
- Step 1: Write the proportion equation
92,756,773.49 : 128,054,043.24 = 71,517,164.18 : x - Step 2: Convert to fraction form
92,756,773.49/128,054,043.24 = 71,517,164.18/x - Step 3: Cross multiply
92,756,773.49x = 128,054,043.24 × 71,517,164.18 - Step 4: Simplify right side
92,756,773.49x = 9,158,062,034,307,900 - Step 5: Solve for x
x = 9,158,062,034,307,900/92,756,773.49 - Step 6: Final answer
x = 98,732,002.95
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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.