Finding the Fourth Proportional to 42,806,691.63, 59,073,057.14 and 25,417,351.62
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Solution
The fourth proportional to 42,806,691.63, 59,073,057.14 and 25,417,351.62 is: 35,075,839.95
Step by Step Solution
- Step 1: Write the proportion equation
42,806,691.63 : 59,073,057.14 = 25,417,351.62 : x - Step 2: Convert to fraction form
42,806,691.63/59,073,057.14 = 25,417,351.62/x - Step 3: Cross multiply
42,806,691.63x = 59,073,057.14 × 25,417,351.62 - Step 4: Simplify right side
42,806,691.63x = 1,501,480,664,468,644.75 - Step 5: Solve for x
x = 1,501,480,664,468,644.75/42,806,691.63 - Step 6: Final answer
x = 35,075,839.95
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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.