Finding the Fourth Proportional to 42,840,368.12, 59,119,102.70 and 24,255,028.68
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Solution
The fourth proportional to 42,840,368.12, 59,119,102.70 and 24,255,028.68 is: 33,471,596.87
Step by Step Solution
- Step 1: Write the proportion equation
42,840,368.12 : 59,119,102.70 = 24,255,028.68 : x - Step 2: Convert to fraction form
42,840,368.12/59,119,102.70 = 24,255,028.68/x - Step 3: Cross multiply
42,840,368.12x = 59,119,102.70 × 24,255,028.68 - Step 4: Simplify right side
42,840,368.12x = 1,433,935,531,524,365.50 - Step 5: Solve for x
x = 1,433,935,531,524,365.50/42,840,368.12 - Step 6: Final answer
x = 33,471,596.87
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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.