Finding the Fourth Proportional to 234,179,572.68, 323,167,493.34 and 129,764,405.88
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Solution
The fourth proportional to 234,179,572.68, 323,167,493.34 and 129,764,405.88 is: 179,074,704.48
Step by Step Solution
- Step 1: Write the proportion equation
234,179,572.68 : 323,167,493.34 = 129,764,405.88 : x - Step 2: Convert to fraction form
234,179,572.68/323,167,493.34 = 129,764,405.88/x - Step 3: Cross multiply
234,179,572.68x = 323,167,493.34 × 129,764,405.88 - Step 4: Simplify right side
234,179,572.68x = 41,935,637,772,993,952 - Step 5: Solve for x
x = 41,935,637,772,993,952/234,179,572.68 - Step 6: Final answer
x = 179,074,704.48
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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.