Finding the Fourth Proportional to 53,251,776.86, 79,926,766.09 and 27,009,030.35
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Solution
The fourth proportional to 53,251,776.86, 79,926,766.09 and 27,009,030.35 is: 40,538,449.21
Step by Step Solution
- Step 1: Write the proportion equation
53,251,776.86 : 79,926,766.09 = 27,009,030.35 : x - Step 2: Convert to fraction form
53,251,776.86/79,926,766.09 = 27,009,030.35/x - Step 3: Cross multiply
53,251,776.86x = 79,926,766.09 × 27,009,030.35 - Step 4: Simplify right side
53,251,776.86x = 2,158,744,451,234,455.25 - Step 5: Solve for x
x = 2,158,744,451,234,455.25/53,251,776.86 - Step 6: Final answer
x = 40,538,449.21
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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.