Finding the Fourth Proportional to 81,612,033.84, 112,623,493.98 and 46,329,532.05
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Solution
The fourth proportional to 81,612,033.84, 112,623,493.98 and 46,329,532.05 is: 63,934,122.56
Step by Step Solution
- Step 1: Write the proportion equation
81,612,033.84 : 112,623,493.98 = 46,329,532.05 : x - Step 2: Convert to fraction form
81,612,033.84/112,623,493.98 = 46,329,532.05/x - Step 3: Cross multiply
81,612,033.84x = 112,623,493.98 × 46,329,532.05 - Step 4: Simplify right side
81,612,033.84x = 5,217,793,773,929,392 - Step 5: Solve for x
x = 5,217,793,773,929,392/81,612,033.84 - Step 6: Final answer
x = 63,934,122.56
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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.