Finding the Fourth Proportional to 206,884,101.59, 310,358,038.84 and 70,537,598.63
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Solution
The fourth proportional to 206,884,101.59, 310,358,038.84 and 70,537,598.63 is: 105,817,269.70
Step by Step Solution
- Step 1: Write the proportion equation
206,884,101.59 : 310,358,038.84 = 70,537,598.63 : x - Step 2: Convert to fraction form
206,884,101.59/310,358,038.84 = 70,537,598.63/x - Step 3: Cross multiply
206,884,101.59x = 310,358,038.84 × 70,537,598.63 - Step 4: Simplify right side
206,884,101.59x = 21,891,910,773,561,736 - Step 5: Solve for x
x = 21,891,910,773,561,736/206,884,101.59 - Step 6: Final answer
x = 105,817,269.70
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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.