Finding the Fourth Proportional to 371,922,400.90, 557,964,306.77 and 113,130,895.09
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Solution
The fourth proportional to 371,922,400.90, 557,964,306.77 and 113,130,895.09 is: 169,720,891.51
Step by Step Solution
- Step 1: Write the proportion equation
371,922,400.90 : 557,964,306.77 = 113,130,895.09 : x - Step 2: Convert to fraction form
371,922,400.90/557,964,306.77 = 113,130,895.09/x - Step 3: Cross multiply
371,922,400.90x = 557,964,306.77 × 113,130,895.09 - Step 4: Simplify right side
371,922,400.90x = 63,123,001,453,161,448 - Step 5: Solve for x
x = 63,123,001,453,161,448/371,922,400.90 - Step 6: Final answer
x = 169,720,891.51
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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.