Finding the Fourth Proportional to 163,555,126.36, 245,334,826.49 and 54,380,297.43
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Solution
The fourth proportional to 163,555,126.36, 245,334,826.49 and 54,380,297.43 is: 81,571,156.66
Step by Step Solution
- Step 1: Write the proportion equation
163,555,126.36 : 245,334,826.49 = 54,380,297.43 : x - Step 2: Convert to fraction form
163,555,126.36/245,334,826.49 = 54,380,297.43/x - Step 3: Cross multiply
163,555,126.36x = 245,334,826.49 × 54,380,297.43 - Step 4: Simplify right side
163,555,126.36x = 13,341,380,834,191,742 - Step 5: Solve for x
x = 13,341,380,834,191,742/163,555,126.36 - Step 6: Final answer
x = 81,571,156.66
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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.