Finding the Fourth Proportional to 268,889,417.10, 403,334,125.65 and 132,840,521.10
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Solution
The fourth proportional to 268,889,417.10, 403,334,125.65 and 132,840,521.10 is: 199,260,781.65
Step by Step Solution
- Step 1: Write the proportion equation
268,889,417.10 : 403,334,125.65 = 132,840,521.10 : x - Step 2: Convert to fraction form
268,889,417.10/403,334,125.65 = 132,840,521.10/x - Step 3: Cross multiply
268,889,417.10x = 403,334,125.65 × 132,840,521.10 - Step 4: Simplify right side
268,889,417.10x = 53,579,115,428,758,872 - Step 5: Solve for x
x = 53,579,115,428,758,872/268,889,417.10 - Step 6: Final answer
x = 199,260,781.65
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Similar ratio
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1.5x scale
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.