Finding the Fourth Proportional to 83,765,925.20, 125,660,697.60 and 26,252,199.20
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Solution
The fourth proportional to 83,765,925.20, 125,660,697.60 and 26,252,199.20 is: 39,381,999.99
Step by Step Solution
- Step 1: Write the proportion equation
83,765,925.20 : 125,660,697.60 = 26,252,199.20 : x - Step 2: Convert to fraction form
83,765,925.20/125,660,697.60 = 26,252,199.20/x - Step 3: Cross multiply
83,765,925.20x = 125,660,697.60 × 26,252,199.20 - Step 4: Simplify right side
83,765,925.20x = 3,298,869,665,006,161.50 - Step 5: Solve for x
x = 3,298,869,665,006,161.50/83,765,925.20 - Step 6: Final answer
x = 39,381,999.99
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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.