Finding the Fourth Proportional to 98,430,216.36, 147,611,132.16 and 54,777,590.65
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Solution
The fourth proportional to 98,430,216.36, 147,611,132.16 and 54,777,590.65 is: 82,147,357.51
Step by Step Solution
- Step 1: Write the proportion equation
98,430,216.36 : 147,611,132.16 = 54,777,590.65 : x - Step 2: Convert to fraction form
98,430,216.36/147,611,132.16 = 54,777,590.65/x - Step 3: Cross multiply
98,430,216.36x = 147,611,132.16 × 54,777,590.65 - Step 4: Simplify right side
98,430,216.36x = 8,085,782,172,822,628 - Step 5: Solve for x
x = 8,085,782,172,822,628/98,430,216.36 - Step 6: Final answer
x = 82,147,357.51
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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.