Finding the Fourth Proportional to 68,283,145.80, 102,424,718.70 and 60,391,246.95
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Solution
The fourth proportional to 68,283,145.80, 102,424,718.70 and 60,391,246.95 is: 90,586,870.43
Step by Step Solution
- Step 1: Write the proportion equation
68,283,145.80 : 102,424,718.70 = 60,391,246.95 : x - Step 2: Convert to fraction form
68,283,145.80/102,424,718.70 = 60,391,246.95/x - Step 3: Cross multiply
68,283,145.80x = 102,424,718.70 × 60,391,246.95 - Step 4: Simplify right side
68,283,145.80x = 6,185,556,480,795,983 - Step 5: Solve for x
x = 6,185,556,480,795,983/68,283,145.80 - Step 6: Final answer
x = 90,586,870.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.