Finding the Fourth Proportional to 283,531,572, 391,271,252.76 and 158,082,277.68
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Solution
The fourth proportional to 283,531,572, 391,271,252.76 and 158,082,277.68 is: 218,152,251.58
Step by Step Solution
- Step 1: Write the proportion equation
283,531,572 : 391,271,252.76 = 158,082,277.68 : x - Step 2: Convert to fraction form
283,531,572/391,271,252.76 = 158,082,277.68/x - Step 3: Cross multiply
283,531,572x = 391,271,252.76 × 158,082,277.68 - Step 4: Simplify right side
283,531,572x = 61,853,050,827,007,784 - Step 5: Solve for x
x = 61,853,050,827,007,784/283,531,572 - Step 6: Final answer
x = 218,152,251.58
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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.