Finding the Fourth Proportional to 71,082,356.07, 106,627,522.61 and 19,960,389.08
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Solution
The fourth proportional to 71,082,356.07, 106,627,522.61 and 19,960,389.08 is: 29,941,703.61
Step by Step Solution
- Step 1: Write the proportion equation
71,082,356.07 : 106,627,522.61 = 19,960,389.08 : x - Step 2: Convert to fraction form
71,082,356.07/106,627,522.61 = 19,960,389.08/x - Step 3: Cross multiply
71,082,356.07x = 106,627,522.61 × 19,960,389.08 - Step 4: Simplify right side
71,082,356.07x = 2,128,326,837,299,157.50 - Step 5: Solve for x
x = 2,128,326,837,299,157.50/71,082,356.07 - Step 6: Final answer
x = 29,941,703.61
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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.