Finding the Fourth Proportional to 88,574,720.40, 132,862,080.60 and 79,646,511.60
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Solution
The fourth proportional to 88,574,720.40, 132,862,080.60 and 79,646,511.60 is: 119,469,767.40
Step by Step Solution
- Step 1: Write the proportion equation
88,574,720.40 : 132,862,080.60 = 79,646,511.60 : x - Step 2: Convert to fraction form
88,574,720.40/132,862,080.60 = 79,646,511.60/x - Step 3: Cross multiply
88,574,720.40x = 132,862,080.60 × 79,646,511.60 - Step 4: Simplify right side
88,574,720.40x = 10,582,001,243,708,034 - Step 5: Solve for x
x = 10,582,001,243,708,034/88,574,720.40 - Step 6: Final answer
x = 119,469,767.40
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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.