Finding the Fourth Proportional to 84,077,624.88, 116,027,142.12 and 47,408,203.44
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Solution
The fourth proportional to 84,077,624.88, 116,027,142.12 and 47,408,203.44 is: 65,423,331.90
Step by Step Solution
- Step 1: Write the proportion equation
84,077,624.88 : 116,027,142.12 = 47,408,203.44 : x - Step 2: Convert to fraction form
84,077,624.88/116,027,142.12 = 47,408,203.44/x - Step 3: Cross multiply
84,077,624.88x = 116,027,142.12 × 47,408,203.44 - Step 4: Simplify right side
84,077,624.88x = 5,500,638,358,186,753 - Step 5: Solve for x
x = 5,500,638,358,186,753/84,077,624.88 - Step 6: Final answer
x = 65,423,331.90
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1.5x scale
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.