Finding the Fourth Proportional to 72,875,220.12, 109,312,830.18 and 24,353,073.92
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Solution
The fourth proportional to 72,875,220.12, 109,312,830.18 and 24,353,073.92 is: 36,529,610.88
Step by Step Solution
- Step 1: Write the proportion equation
72,875,220.12 : 109,312,830.18 = 24,353,073.92 : x - Step 2: Convert to fraction form
72,875,220.12/109,312,830.18 = 24,353,073.92/x - Step 3: Cross multiply
72,875,220.12x = 109,312,830.18 × 24,353,073.92 - Step 4: Simplify right side
72,875,220.12x = 2,662,103,434,051,229 - Step 5: Solve for x
x = 2,662,103,434,051,229/72,875,220.12 - Step 6: Final answer
x = 36,529,610.88
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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.