Finding the Fourth Proportional to 292,862,239.84, 404,148,781.86 and 160,705,447.48
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Solution
The fourth proportional to 292,862,239.84, 404,148,781.86 and 160,705,447.48 is: 221,772,908.90
Step by Step Solution
- Step 1: Write the proportion equation
292,862,239.84 : 404,148,781.86 = 160,705,447.48 : x - Step 2: Convert to fraction form
292,862,239.84/404,148,781.86 = 160,705,447.48/x - Step 3: Cross multiply
292,862,239.84x = 404,148,781.86 × 160,705,447.48 - Step 4: Simplify right side
292,862,239.84x = 64,948,910,837,308,208 - Step 5: Solve for x
x = 64,948,910,837,308,208/292,862,239.84 - Step 6: Final answer
x = 221,772,908.90
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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.