Finding the Fourth Proportional to 318,500,164.84, 477,465,745.50 and 124,366,415.08
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Solution
The fourth proportional to 318,500,164.84, 477,465,745.50 and 124,366,415.08 is: 186,438,531.74
Step by Step Solution
- Step 1: Write the proportion equation
318,500,164.84 : 477,465,745.50 = 124,366,415.08 : x - Step 2: Convert to fraction form
318,500,164.84/477,465,745.50 = 124,366,415.08/x - Step 3: Cross multiply
318,500,164.84x = 477,465,745.50 × 124,366,415.08 - Step 4: Simplify right side
318,500,164.84x = 59,380,703,091,334,640 - Step 5: Solve for x
x = 59,380,703,091,334,640/318,500,164.84 - Step 6: Final answer
x = 186,438,531.74
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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.