Finding the Fourth Proportional to 205,317,132.08, 307,975,701.68 and 49,869,892.61
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Solution
The fourth proportional to 205,317,132.08, 307,975,701.68 and 49,869,892.61 is: 74,804,839.77
Step by Step Solution
- Step 1: Write the proportion equation
205,317,132.08 : 307,975,701.68 = 49,869,892.61 : x - Step 2: Convert to fraction form
205,317,132.08/307,975,701.68 = 49,869,892.61/x - Step 3: Cross multiply
205,317,132.08x = 307,975,701.68 × 49,869,892.61 - Step 4: Simplify right side
205,317,132.08x = 15,358,715,167,481,768 - Step 5: Solve for x
x = 15,358,715,167,481,768/205,317,132.08 - Step 6: Final answer
x = 74,804,839.77
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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.