Finding the Fourth Proportional to 49,806,653.60, 68,733,302.03 and 27,781,579.58
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Solution
The fourth proportional to 49,806,653.60, 68,733,302.03 and 27,781,579.58 is: 38,338,646.79
Step by Step Solution
- Step 1: Write the proportion equation
49,806,653.60 : 68,733,302.03 = 27,781,579.58 : x - Step 2: Convert to fraction form
49,806,653.60/68,733,302.03 = 27,781,579.58/x - Step 3: Cross multiply
49,806,653.60x = 68,733,302.03 × 27,781,579.58 - Step 4: Simplify right side
49,806,653.60x = 1,909,519,699,841,335.50 - Step 5: Solve for x
x = 1,909,519,699,841,335.50/49,806,653.60 - Step 6: Final answer
x = 38,338,646.79
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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.