Finding the Fourth Proportional to 257,222,857.68, 354,971,570.76 and 139,750,514.64
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Solution
The fourth proportional to 257,222,857.68, 354,971,570.76 and 139,750,514.64 is: 192,857,898.18
Step by Step Solution
- Step 1: Write the proportion equation
257,222,857.68 : 354,971,570.76 = 139,750,514.64 : x - Step 2: Convert to fraction form
257,222,857.68/354,971,570.76 = 139,750,514.64/x - Step 3: Cross multiply
257,222,857.68x = 354,971,570.76 × 139,750,514.64 - Step 4: Simplify right side
257,222,857.68x = 49,607,459,696,279,168 - Step 5: Solve for x
x = 49,607,459,696,279,168/257,222,857.68 - Step 6: Final answer
x = 192,857,898.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.