Finding the Fourth Proportional to 283,768,930.08, 391,600,950.12 and 153,388,738.08
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Solution
The fourth proportional to 283,768,930.08, 391,600,950.12 and 153,388,738.08 is: 211,676,364.83
Step by Step Solution
- Step 1: Write the proportion equation
283,768,930.08 : 391,600,950.12 = 153,388,738.08 : x - Step 2: Convert to fraction form
283,768,930.08/391,600,950.12 = 153,388,738.08/x - Step 3: Cross multiply
283,768,930.08x = 391,600,950.12 × 153,388,738.08 - Step 4: Simplify right side
283,768,930.08x = 60,067,175,569,835,832 - Step 5: Solve for x
x = 60,067,175,569,835,832/283,768,930.08 - Step 6: Final answer
x = 211,676,364.83
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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.