Finding the Fourth Proportional to 315,026,894.70, 472,398,624.45 and 120,873,782.70
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Solution
The fourth proportional to 315,026,894.70, 472,398,624.45 and 120,873,782.70 is: 181,256,297.92
Step by Step Solution
- Step 1: Write the proportion equation
315,026,894.70 : 472,398,624.45 = 120,873,782.70 : x - Step 2: Convert to fraction form
315,026,894.70/472,398,624.45 = 120,873,782.70/x - Step 3: Cross multiply
315,026,894.70x = 472,398,624.45 × 120,873,782.70 - Step 4: Simplify right side
315,026,894.70x = 57,100,608,679,548,208 - Step 5: Solve for x
x = 57,100,608,679,548,208/315,026,894.70 - Step 6: Final answer
x = 181,256,297.92
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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.