Finding the Fourth Proportional to 87,488,894.23, 120,738,342.27 and 50,319,184.84
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Solution
The fourth proportional to 87,488,894.23, 120,738,342.27 and 50,319,184.84 is: 69,442,584.86
Step by Step Solution
- Step 1: Write the proportion equation
87,488,894.23 : 120,738,342.27 = 50,319,184.84 : x - Step 2: Convert to fraction form
87,488,894.23/120,738,342.27 = 50,319,184.84/x - Step 3: Cross multiply
87,488,894.23x = 120,738,342.27 × 50,319,184.84 - Step 4: Simplify right side
87,488,894.23x = 6,075,454,961,959,315 - Step 5: Solve for x
x = 6,075,454,961,959,315/87,488,894.23 - Step 6: Final answer
x = 69,442,584.86
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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.