Finding the Fourth Proportional to 79,683,307.84, 109,961,847.05 and 44,402,599.95
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Solution
The fourth proportional to 79,683,307.84, 109,961,847.05 and 44,402,599.95 is: 61,274,965.07
Step by Step Solution
- Step 1: Write the proportion equation
79,683,307.84 : 109,961,847.05 = 44,402,599.95 : x - Step 2: Convert to fraction form
79,683,307.84/109,961,847.05 = 44,402,599.95/x - Step 3: Cross multiply
79,683,307.84x = 109,961,847.05 × 44,402,599.95 - Step 4: Simplify right side
79,683,307.84x = 4,882,591,904,514,582 - Step 5: Solve for x
x = 4,882,591,904,514,582/79,683,307.84 - Step 6: Final answer
x = 61,274,965.07
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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.