Finding the Fourth Proportional to 106,766,445.40, 160,149,668.10 and 88,910,027.80
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Solution
The fourth proportional to 106,766,445.40, 160,149,668.10 and 88,910,027.80 is: 133,365,041.70
Step by Step Solution
- Step 1: Write the proportion equation
106,766,445.40 : 160,149,668.10 = 88,910,027.80 : x - Step 2: Convert to fraction form
106,766,445.40/160,149,668.10 = 88,910,027.80/x - Step 3: Cross multiply
106,766,445.40x = 160,149,668.10 × 88,910,027.80 - Step 4: Simplify right side
106,766,445.40x = 14,238,911,442,931,772 - Step 5: Solve for x
x = 14,238,911,442,931,772/106,766,445.40 - Step 6: Final answer
x = 133,365,041.70
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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.