Finding the Fourth Proportional to 73,744,218.90, 110,616,328.35 and 66,437,889.30
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Solution
The fourth proportional to 73,744,218.90, 110,616,328.35 and 66,437,889.30 is: 99,656,833.95
Step by Step Solution
- Step 1: Write the proportion equation
73,744,218.90 : 110,616,328.35 = 66,437,889.30 : x - Step 2: Convert to fraction form
73,744,218.90/110,616,328.35 = 66,437,889.30/x - Step 3: Cross multiply
73,744,218.90x = 110,616,328.35 × 66,437,889.30 - Step 4: Simplify right side
73,744,218.90x = 7,349,115,377,689,751 - Step 5: Solve for x
x = 7,349,115,377,689,751/73,744,218.90 - Step 6: Final answer
x = 99,656,833.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.