Finding the Fourth Proportional to 171,700,545.22, 257,656,753.41 and 79,567,110.18
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Solution
The fourth proportional to 171,700,545.22, 257,656,753.41 and 79,567,110.18 is: 119,399,756.49
Step by Step Solution
- Step 1: Write the proportion equation
171,700,545.22 : 257,656,753.41 = 79,567,110.18 : x - Step 2: Convert to fraction form
171,700,545.22/257,656,753.41 = 79,567,110.18/x - Step 3: Cross multiply
171,700,545.22x = 257,656,753.41 × 79,567,110.18 - Step 4: Simplify right side
171,700,545.22x = 20,501,003,288,137,620 - Step 5: Solve for x
x = 20,501,003,288,137,620/171,700,545.22 - Step 6: Final answer
x = 119,399,756.49
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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.