Finding the Fourth Proportional to 249,717,434.84, 374,612,042.97 and 77,207,700.44
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Solution
The fourth proportional to 249,717,434.84, 374,612,042.97 and 77,207,700.44 is: 115,822,647.35
Step by Step Solution
- Step 1: Write the proportion equation
249,717,434.84 : 374,612,042.97 = 77,207,700.44 : x - Step 2: Convert to fraction form
249,717,434.84/374,612,042.97 = 77,207,700.44/x - Step 3: Cross multiply
249,717,434.84x = 374,612,042.97 × 77,207,700.44 - Step 4: Simplify right side
249,717,434.84x = 28,922,934,392,971,112 - Step 5: Solve for x
x = 28,922,934,392,971,112/249,717,434.84 - Step 6: Final answer
x = 115,822,647.35
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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.