Finding the Fourth Proportional to 88,289,583.77, 121,838,658.68 and 48,596,265.84
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Solution
The fourth proportional to 88,289,583.77, 121,838,658.68 and 48,596,265.84 is: 67,062,314.65
Step by Step Solution
- Step 1: Write the proportion equation
88,289,583.77 : 121,838,658.68 = 48,596,265.84 : x - Step 2: Convert to fraction form
88,289,583.77/121,838,658.68 = 48,596,265.84/x - Step 3: Cross multiply
88,289,583.77x = 121,838,658.68 × 48,596,265.84 - Step 4: Simplify right side
88,289,583.77x = 5,920,903,846,466,899 - Step 5: Solve for x
x = 5,920,903,846,466,899/88,289,583.77 - Step 6: Final answer
x = 67,062,314.65
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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.