Finding the Fourth Proportional to 69,682,366.12, 96,159,151.94 and 38,320,151.08
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Solution
The fourth proportional to 69,682,366.12, 96,159,151.94 and 38,320,151.08 is: 52,880,426.36
Step by Step Solution
- Step 1: Write the proportion equation
69,682,366.12 : 96,159,151.94 = 38,320,151.08 : x - Step 2: Convert to fraction form
69,682,366.12/96,159,151.94 = 38,320,151.08/x - Step 3: Cross multiply
69,682,366.12x = 96,159,151.94 × 38,320,151.08 - Step 4: Simplify right side
69,682,366.12x = 3,684,833,230,065,475 - Step 5: Solve for x
x = 3,684,833,230,065,475/69,682,366.12 - Step 6: Final answer
x = 52,880,426.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.