Finding the Fourth Proportional to 97,086,737.70, 145,630,106.55 and 87,344,964.90
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Solution
The fourth proportional to 97,086,737.70, 145,630,106.55 and 87,344,964.90 is: 131,017,447.35
Step by Step Solution
- Step 1: Write the proportion equation
97,086,737.70 : 145,630,106.55 = 87,344,964.90 : x - Step 2: Convert to fraction form
97,086,737.70/145,630,106.55 = 87,344,964.90/x - Step 3: Cross multiply
97,086,737.70x = 145,630,106.55 × 87,344,964.90 - Step 4: Simplify right side
97,086,737.70x = 12,720,056,544,993,012 - Step 5: Solve for x
x = 12,720,056,544,993,012/97,086,737.70 - Step 6: Final answer
x = 131,017,447.35
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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.