Finding the Fourth Proportional to 81,368,773,564.50, 112,295,197,351.18 and 48,817,212,236.31
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Solution
The fourth proportional to 81,368,773,564.50, 112,295,197,351.18 and 48,817,212,236.31 is: 67,371,526,472.20
Step by Step Solution
- Step 1: Write the proportion equation
81,368,773,564.50 : 112,295,197,351.18 = 48,817,212,236.31 : x - Step 2: Convert to fraction form
81,368,773,564.50/112,295,197,351.18 = 48,817,212,236.31/x - Step 3: Cross multiply
81,368,773,564.50x = 112,295,197,351.18 × 48,817,212,236.31 - Step 4: Simplify right side
81,368,773,564.50x = 5,481,938,482,210,869,870,592 - Step 5: Solve for x
x = 5,481,938,482,210,869,870,592/81,368,773,564.50 - Step 6: Final answer
x = 67,371,526,472.20
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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.