Finding the Fourth Proportional to 80,167,228.20, 120,321,701.10 and 68,688,102.60
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Solution
The fourth proportional to 80,167,228.20, 120,321,701.10 and 68,688,102.60 is: 103,092,866.45
Step by Step Solution
- Step 1: Write the proportion equation
80,167,228.20 : 120,321,701.10 = 68,688,102.60 : x - Step 2: Convert to fraction form
80,167,228.20/120,321,701.10 = 68,688,102.60/x - Step 3: Cross multiply
80,167,228.20x = 120,321,701.10 × 68,688,102.60 - Step 4: Simplify right side
80,167,228.20x = 8,264,669,350,163,332 - Step 5: Solve for x
x = 8,264,669,350,163,332/80,167,228.20 - Step 6: Final answer
x = 103,092,866.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.