Finding the Fourth Proportional to 58,524,069.84, 80,791,221.96 and 38,977,486.80
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Solution
The fourth proportional to 58,524,069.84, 80,791,221.96 and 38,977,486.80 is: 53,807,583.72
Step by Step Solution
- Step 1: Write the proportion equation
58,524,069.84 : 80,791,221.96 = 38,977,486.80 : x - Step 2: Convert to fraction form
58,524,069.84/80,791,221.96 = 38,977,486.80/x - Step 3: Cross multiply
58,524,069.84x = 80,791,221.96 × 38,977,486.80 - Step 4: Simplify right side
58,524,069.84x = 3,149,038,787,501,769.50 - Step 5: Solve for x
x = 3,149,038,787,501,769.50/58,524,069.84 - Step 6: Final answer
x = 53,807,583.72
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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.