Finding the Fourth Proportional to 122,873,603.99, 169,566,151.37 and 67,119,797.93
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Solution
The fourth proportional to 122,873,603.99, 169,566,151.37 and 67,119,797.93 is: 92,625,636.80
Step by Step Solution
- Step 1: Write the proportion equation
122,873,603.99 : 169,566,151.37 = 67,119,797.93 : x - Step 2: Convert to fraction form
122,873,603.99/169,566,151.37 = 67,119,797.93/x - Step 3: Cross multiply
122,873,603.99x = 169,566,151.37 × 67,119,797.93 - Step 4: Simplify right side
122,873,603.99x = 11,381,245,814,538,764 - Step 5: Solve for x
x = 11,381,245,814,538,764/122,873,603.99 - Step 6: Final answer
x = 92,625,636.80
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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.