Finding the Fourth Proportional to 236,402,139.40, 354,124,912.20 and 163,701,010.60
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Solution
The fourth proportional to 236,402,139.40, 354,124,912.20 and 163,701,010.60 is: 245,220,310.41
Step by Step Solution
- Step 1: Write the proportion equation
236,402,139.40 : 354,124,912.20 = 163,701,010.60 : x - Step 2: Convert to fraction form
236,402,139.40/354,124,912.20 = 163,701,010.60/x - Step 3: Cross multiply
236,402,139.40x = 354,124,912.20 × 163,701,010.60 - Step 4: Simplify right side
236,402,139.40x = 57,970,606,005,776,264 - Step 5: Solve for x
x = 57,970,606,005,776,264/236,402,139.40 - Step 6: Final answer
x = 245,220,310.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.