Finding the Fourth Proportional to 74,727,011.70, 112,090,517.55 and 44,493,923.70
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Solution
The fourth proportional to 74,727,011.70, 112,090,517.55 and 44,493,923.70 is: 66,740,885.55
Step by Step Solution
- Step 1: Write the proportion equation
74,727,011.70 : 112,090,517.55 = 44,493,923.70 : x - Step 2: Convert to fraction form
74,727,011.70/112,090,517.55 = 44,493,923.70/x - Step 3: Cross multiply
74,727,011.70x = 112,090,517.55 × 44,493,923.70 - Step 4: Simplify right side
74,727,011.70x = 4,987,346,935,363,211 - Step 5: Solve for x
x = 4,987,346,935,363,211/74,727,011.70 - Step 6: Final answer
x = 66,740,885.55
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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.