Finding the Fourth Proportional to 74,748,696.40, 112,123,044.60 and 48,920,663.80
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Solution
The fourth proportional to 74,748,696.40, 112,123,044.60 and 48,920,663.80 is: 73,380,995.70
Step by Step Solution
- Step 1: Write the proportion equation
74,748,696.40 : 112,123,044.60 = 48,920,663.80 : x - Step 2: Convert to fraction form
74,748,696.40/112,123,044.60 = 48,920,663.80/x - Step 3: Cross multiply
74,748,696.40x = 112,123,044.60 × 48,920,663.80 - Step 4: Simplify right side
74,748,696.40x = 5,485,133,769,109,005 - Step 5: Solve for x
x = 5,485,133,769,109,005/74,748,696.40 - Step 6: Final answer
x = 73,380,995.70
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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.