Finding the Fourth Proportional to 81,723,653.68, 122,548,590.60 and 23,417,995.48
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Solution
The fourth proportional to 81,723,653.68, 122,548,590.60 and 23,417,995.48 is: 35,116,422.38
Step by Step Solution
- Step 1: Write the proportion equation
81,723,653.68 : 122,548,590.60 = 23,417,995.48 : x - Step 2: Convert to fraction form
81,723,653.68/122,548,590.60 = 23,417,995.48/x - Step 3: Cross multiply
81,723,653.68x = 122,548,590.60 × 23,417,995.48 - Step 4: Simplify right side
81,723,653.68x = 2,869,842,340,751,170.50 - Step 5: Solve for x
x = 2,869,842,340,751,170.50/81,723,653.68 - Step 6: Final answer
x = 35,116,422.38
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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.