Finding the Fourth Proportional to 271,506,737.80, 407,260,106.70 and 89,753,915.80
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Solution
The fourth proportional to 271,506,737.80, 407,260,106.70 and 89,753,915.80 is: 134,630,873.70
Step by Step Solution
- Step 1: Write the proportion equation
271,506,737.80 : 407,260,106.70 = 89,753,915.80 : x - Step 2: Convert to fraction form
271,506,737.80/407,260,106.70 = 89,753,915.80/x - Step 3: Cross multiply
271,506,737.80x = 407,260,106.70 × 89,753,915.80 - Step 4: Simplify right side
271,506,737.80x = 36,553,189,325,450,816 - Step 5: Solve for x
x = 36,553,189,325,450,816/271,506,737.80 - Step 6: Final answer
x = 134,630,873.70
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1.5x scale
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.