Finding the Fourth Proportional to 249,717,431.84, 374,612,038.47 and 77,207,697.43
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Solution
The fourth proportional to 249,717,431.84, 374,612,038.47 and 77,207,697.43 is: 115,822,642.84
Step by Step Solution
- Step 1: Write the proportion equation
249,717,431.84 : 374,612,038.47 = 77,207,697.43 : x - Step 2: Convert to fraction form
249,717,431.84/374,612,038.47 = 77,207,697.43/x - Step 3: Cross multiply
249,717,431.84x = 374,612,038.47 × 77,207,697.43 - Step 4: Simplify right side
249,717,431.84x = 28,922,932,918,890,752 - Step 5: Solve for x
x = 28,922,932,918,890,752/249,717,431.84 - Step 6: Final answer
x = 115,822,642.84
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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.