Finding the Fourth Proportional to 75,590,267.20, 104,258,875.87 and 57,006,190.62
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Solution
The fourth proportional to 75,590,267.20, 104,258,875.87 and 57,006,190.62 is: 78,626,542.43
Step by Step Solution
- Step 1: Write the proportion equation
75,590,267.20 : 104,258,875.87 = 57,006,190.62 : x - Step 2: Convert to fraction form
75,590,267.20/104,258,875.87 = 57,006,190.62/x - Step 3: Cross multiply
75,590,267.20x = 104,258,875.87 × 57,006,190.62 - Step 4: Simplify right side
75,590,267.20x = 5,943,401,351,276,537 - Step 5: Solve for x
x = 5,943,401,351,276,537/75,590,267.20 - Step 6: Final answer
x = 78,626,542.43
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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.