Finding the Fourth Proportional to 75,590,603.87, 104,259,340.49 and 57,006,527.19
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Solution
The fourth proportional to 75,590,603.87, 104,259,340.49 and 57,006,527.19 is: 78,627,006.85
Step by Step Solution
- Step 1: Write the proportion equation
75,590,603.87 : 104,259,340.49 = 57,006,527.19 : x - Step 2: Convert to fraction form
75,590,603.87/104,259,340.49 = 57,006,527.19/x - Step 3: Cross multiply
75,590,603.87x = 104,259,340.49 × 57,006,527.19 - Step 4: Simplify right side
75,590,603.87x = 5,943,462,927,778,648 - Step 5: Solve for x
x = 5,943,462,927,778,648/75,590,603.87 - Step 6: Final answer
x = 78,627,006.85
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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.