Finding the Fourth Proportional to 122,735,130.52, 169,378,067.56 and 66,984,129
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Solution
The fourth proportional to 122,735,130.52, 169,378,067.56 and 66,984,129 is: 92,440,055.91
Step by Step Solution
- Step 1: Write the proportion equation
122,735,130.52 : 169,378,067.56 = 66,984,129 : x - Step 2: Convert to fraction form
122,735,130.52/169,378,067.56 = 66,984,129/x - Step 3: Cross multiply
122,735,130.52x = 169,378,067.56 × 66,984,129 - Step 4: Simplify right side
122,735,130.52x = 11,345,642,327,209,756 - Step 5: Solve for x
x = 11,345,642,327,209,756/122,735,130.52 - Step 6: Final answer
x = 92,440,055.91
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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.