Finding the Fourth Proportional to 88,328,765.05, 121,896,590.51 and 48,640,537.94
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Solution
The fourth proportional to 88,328,765.05, 121,896,590.51 and 48,640,537.94 is: 67,125,536.42
Step by Step Solution
- Step 1: Write the proportion equation
88,328,765.05 : 121,896,590.51 = 48,640,537.94 : x - Step 2: Convert to fraction form
88,328,765.05/121,896,590.51 = 48,640,537.94/x - Step 3: Cross multiply
88,328,765.05x = 121,896,590.51 × 48,640,537.94 - Step 4: Simplify right side
88,328,765.05x = 5,929,115,734,970,418 - Step 5: Solve for x
x = 5,929,115,734,970,418/88,328,765.05 - Step 6: Final answer
x = 67,125,536.42
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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.