Finding the Fourth Proportional to 76,843,988.84, 106,044,387.55 and 41,561,833.34
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Solution
The fourth proportional to 76,843,988.84, 106,044,387.55 and 41,561,833.34 is: 57,355,158.53
Step by Step Solution
- Step 1: Write the proportion equation
76,843,988.84 : 106,044,387.55 = 41,561,833.34 : x - Step 2: Convert to fraction form
76,843,988.84/106,044,387.55 = 41,561,833.34/x - Step 3: Cross multiply
76,843,988.84x = 106,044,387.55 × 41,561,833.34 - Step 4: Simplify right side
76,843,988.84x = 4,407,399,162,156,677.50 - Step 5: Solve for x
x = 4,407,399,162,156,677.50/76,843,988.84 - Step 6: Final answer
x = 57,355,158.53
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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.