Finding the Fourth Proportional to 56,657,269.20, 84,985,903.80 and 51,933,349.20
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Solution
The fourth proportional to 56,657,269.20, 84,985,903.80 and 51,933,349.20 is: 77,900,023.80
Step by Step Solution
- Step 1: Write the proportion equation
56,657,269.20 : 84,985,903.80 = 51,933,349.20 : x - Step 2: Convert to fraction form
56,657,269.20/84,985,903.80 = 51,933,349.20/x - Step 3: Cross multiply
56,657,269.20x = 84,985,903.80 × 51,933,349.20 - Step 4: Simplify right side
56,657,269.20x = 4,413,602,619,123,007 - Step 5: Solve for x
x = 4,413,602,619,123,007/56,657,269.20 - Step 6: Final answer
x = 77,900,023.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.