Finding the Fourth Proportional to 56,657,257.70, 84,985,886.55 and 51,933,337.70
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Solution
The fourth proportional to 56,657,257.70, 84,985,886.55 and 51,933,337.70 is: 77,900,006.55
Step by Step Solution
- Step 1: Write the proportion equation
56,657,257.70 : 84,985,886.55 = 51,933,337.70 : x - Step 2: Convert to fraction form
56,657,257.70/84,985,886.55 = 51,933,337.70/x - Step 3: Cross multiply
56,657,257.70x = 84,985,886.55 × 51,933,337.70 - Step 4: Simplify right side
56,657,257.70x = 4,413,600,745,935,038 - Step 5: Solve for x
x = 4,413,600,745,935,038/56,657,257.70 - Step 6: Final answer
x = 77,900,006.55
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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.