Finding the Fourth Proportional to 68,593,550.66, 102,755,798.67 and 39,779,150.18
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Solution
The fourth proportional to 68,593,550.66, 102,755,798.67 and 39,779,150.18 is: 59,590,709.44
Step by Step Solution
- Step 1: Write the proportion equation
68,593,550.66 : 102,755,798.67 = 39,779,150.18 : x - Step 2: Convert to fraction form
68,593,550.66/102,755,798.67 = 39,779,150.18/x - Step 3: Cross multiply
68,593,550.66x = 102,755,798.67 × 39,779,150.18 - Step 4: Simplify right side
68,593,550.66x = 4,087,538,347,159,774.50 - Step 5: Solve for x
x = 4,087,538,347,159,774.50/68,593,550.66 - Step 6: Final answer
x = 59,590,709.44
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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.