Finding the Fourth Proportional to 55,766,157.67, 76,953,923.98 and 30,985,497.19
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Solution
The fourth proportional to 55,766,157.67, 76,953,923.98 and 30,985,497.19 is: 42,758,111.64
Step by Step Solution
- Step 1: Write the proportion equation
55,766,157.67 : 76,953,923.98 = 30,985,497.19 : x - Step 2: Convert to fraction form
55,766,157.67/76,953,923.98 = 30,985,497.19/x - Step 3: Cross multiply
55,766,157.67x = 76,953,923.98 × 30,985,497.19 - Step 4: Simplify right side
55,766,157.67x = 2,384,455,595,241,764 - Step 5: Solve for x
x = 2,384,455,595,241,764/55,766,157.67 - Step 6: Final answer
x = 42,758,111.64
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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.