Finding the Fourth Proportional to 62,390,950.17, 86,070,497.36 and 40,371,557.55
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Solution
The fourth proportional to 62,390,950.17, 86,070,497.36 and 40,371,557.55 is: 55,693,975.30
Step by Step Solution
- Step 1: Write the proportion equation
62,390,950.17 : 86,070,497.36 = 40,371,557.55 : x - Step 2: Convert to fraction form
62,390,950.17/86,070,497.36 = 40,371,557.55/x - Step 3: Cross multiply
62,390,950.17x = 86,070,497.36 × 40,371,557.55 - Step 4: Simplify right side
62,390,950.17x = 3,474,800,037,526,363 - Step 5: Solve for x
x = 3,474,800,037,526,363/62,390,950.17 - Step 6: Final answer
x = 55,693,975.30
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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.