Finding the Fourth Proportional to 45,403,915.54, 68,129,788.17 and 26,248,125.91
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Solution
The fourth proportional to 45,403,915.54, 68,129,788.17 and 26,248,125.91 is: 39,386,014.11
Step by Step Solution
- Step 1: Write the proportion equation
45,403,915.54 : 68,129,788.17 = 26,248,125.91 : x - Step 2: Convert to fraction form
45,403,915.54/68,129,788.17 = 26,248,125.91/x - Step 3: Cross multiply
45,403,915.54x = 68,129,788.17 × 26,248,125.91 - Step 4: Simplify right side
45,403,915.54x = 1,788,279,258,107,788.50 - Step 5: Solve for x
x = 1,788,279,258,107,788.50/45,403,915.54 - Step 6: Final answer
x = 39,386,014.11
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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.