Finding the Fourth Proportional to 91,453,175.74, 126,205,520.76 and 49,637,256.04
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Solution
The fourth proportional to 91,453,175.74, 126,205,520.76 and 49,637,256.04 is: 68,499,488.37
Step by Step Solution
- Step 1: Write the proportion equation
91,453,175.74 : 126,205,520.76 = 49,637,256.04 : x - Step 2: Convert to fraction form
91,453,175.74/126,205,520.76 = 49,637,256.04/x - Step 3: Cross multiply
91,453,175.74x = 126,205,520.76 × 49,637,256.04 - Step 4: Simplify right side
91,453,175.74x = 6,264,495,747,625,656 - Step 5: Solve for x
x = 6,264,495,747,625,656/91,453,175.74 - Step 6: Final answer
x = 68,499,488.37
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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.