Finding the Fourth Proportional to 249,717,446.51, 374,612,060.45 and 77,207,712.03
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Solution
The fourth proportional to 249,717,446.51, 374,612,060.45 and 77,207,712.03 is: 115,822,664.74
Step by Step Solution
- Step 1: Write the proportion equation
249,717,446.51 : 374,612,060.45 = 77,207,712.03 : x - Step 2: Convert to fraction form
249,717,446.51/374,612,060.45 = 77,207,712.03/x - Step 3: Cross multiply
249,717,446.51x = 374,612,060.45 × 77,207,712.03 - Step 4: Simplify right side
249,717,446.51x = 28,922,940,086,381,572 - Step 5: Solve for x
x = 28,922,940,086,381,572/249,717,446.51 - Step 6: Final answer
x = 115,822,664.74
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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.