Finding the Fourth Proportional to 79,826,343.12, 119,721,209.36 and 22,322,655.44
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Solution
The fourth proportional to 79,826,343.12, 119,721,209.36 and 22,322,655.44 is: 33,478,864.26
Step by Step Solution
- Step 1: Write the proportion equation
79,826,343.12 : 119,721,209.36 = 22,322,655.44 : x - Step 2: Convert to fraction form
79,826,343.12/119,721,209.36 = 22,322,655.44/x - Step 3: Cross multiply
79,826,343.12x = 119,721,209.36 × 22,322,655.44 - Step 4: Simplify right side
79,826,343.12x = 2,672,495,305,403,383 - Step 5: Solve for x
x = 2,672,495,305,403,383/79,826,343.12 - Step 6: Final answer
x = 33,478,864.26
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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.