Finding the Fourth Proportional to 79,929,809.02, 110,305,811.10 and 48,984,002.02
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Solution
The fourth proportional to 79,929,809.02, 110,305,811.10 and 48,984,002.02 is: 67,599,561.92
Step by Step Solution
- Step 1: Write the proportion equation
79,929,809.02 : 110,305,811.10 = 48,984,002.02 : x - Step 2: Convert to fraction form
79,929,809.02/110,305,811.10 = 48,984,002.02/x - Step 3: Cross multiply
79,929,809.02x = 110,305,811.10 × 48,984,002.02 - Step 4: Simplify right side
79,929,809.02x = 5,403,220,073,740,138 - Step 5: Solve for x
x = 5,403,220,073,740,138/79,929,809.02 - Step 6: Final answer
x = 67,599,561.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.