Finding the Fourth Proportional to 302,903,690.87, 418,040,307.74 and 175,772,374.85
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Solution
The fourth proportional to 302,903,690.87, 418,040,307.74 and 175,772,374.85 is: 242,585,151.28
Step by Step Solution
- Step 1: Write the proportion equation
302,903,690.87 : 418,040,307.74 = 175,772,374.85 : x - Step 2: Convert to fraction form
302,903,690.87/418,040,307.74 = 175,772,374.85/x - Step 3: Cross multiply
302,903,690.87x = 418,040,307.74 × 175,772,374.85 - Step 4: Simplify right side
302,903,690.87x = 73,479,937,674,979,568 - Step 5: Solve for x
x = 73,479,937,674,979,568/302,903,690.87 - Step 6: Final answer
x = 242,585,151.28
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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.