Finding the Fourth Proportional to 122,797,925.26, 169,460,259.50 and 67,043,343.95
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Solution
The fourth proportional to 122,797,925.26, 169,460,259.50 and 67,043,343.95 is: 92,519,335.64
Step by Step Solution
- Step 1: Write the proportion equation
122,797,925.26 : 169,460,259.50 = 67,043,343.95 : x - Step 2: Convert to fraction form
122,797,925.26/169,460,259.50 = 67,043,343.95/x - Step 3: Cross multiply
122,797,925.26x = 169,460,259.50 × 67,043,343.95 - Step 4: Simplify right side
122,797,925.26x = 11,361,182,462,835,062 - Step 5: Solve for x
x = 11,361,182,462,835,062/122,797,925.26 - Step 6: Final answer
x = 92,519,335.64
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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.