Finding the Fourth Proportional to 79,799,318.64, 119,694,719.68 and 21,506,061.36
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Solution
The fourth proportional to 79,799,318.64, 119,694,719.68 and 21,506,061.36 is: 32,257,944.43
Step by Step Solution
- Step 1: Write the proportion equation
79,799,318.64 : 119,694,719.68 = 21,506,061.36 : x - Step 2: Convert to fraction form
79,799,318.64/119,694,719.68 = 21,506,061.36/x - Step 3: Cross multiply
79,799,318.64x = 119,694,719.68 × 21,506,061.36 - Step 4: Simplify right side
79,799,318.64x = 2,574,161,985,906,079.50 - Step 5: Solve for x
x = 2,574,161,985,906,079.50/79,799,318.64 - Step 6: Final answer
x = 32,257,944.43
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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.