Finding the Fourth Proportional to 65,610,071.70, 98,415,107.55 and 48,603,959.70
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Solution
The fourth proportional to 65,610,071.70, 98,415,107.55 and 48,603,959.70 is: 72,905,939.55
Step by Step Solution
- Step 1: Write the proportion equation
65,610,071.70 : 98,415,107.55 = 48,603,959.70 : x - Step 2: Convert to fraction form
65,610,071.70/98,415,107.55 = 48,603,959.70/x - Step 3: Cross multiply
65,610,071.70x = 98,415,107.55 × 48,603,959.70 - Step 4: Simplify right side
65,610,071.70x = 4,783,363,921,231,366 - Step 5: Solve for x
x = 4,783,363,921,231,366/65,610,071.70 - Step 6: Final answer
x = 72,905,939.55
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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.