Finding the Fourth Proportional to 106,603,867.08, 159,969,486.06 and 97,930,672.20
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Solution
The fourth proportional to 106,603,867.08, 159,969,486.06 and 97,930,672.20 is: 146,954,512.35
Step by Step Solution
- Step 1: Write the proportion equation
106,603,867.08 : 159,969,486.06 = 97,930,672.20 : x - Step 2: Convert to fraction form
106,603,867.08/159,969,486.06 = 97,930,672.20/x - Step 3: Cross multiply
106,603,867.08x = 159,969,486.06 × 97,930,672.20 - Step 4: Simplify right side
106,603,867.08x = 15,665,919,301,344,330 - Step 5: Solve for x
x = 15,665,919,301,344,330/106,603,867.08 - Step 6: Final answer
x = 146,954,512.35
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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.