Finding the Fourth Proportional to 88,069,386.80, 132,104,080.20 and 80,133,201.20
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Solution
The fourth proportional to 88,069,386.80, 132,104,080.20 and 80,133,201.20 is: 120,199,801.80
Step by Step Solution
- Step 1: Write the proportion equation
88,069,386.80 : 132,104,080.20 = 80,133,201.20 : x - Step 2: Convert to fraction form
88,069,386.80/132,104,080.20 = 80,133,201.20/x - Step 3: Cross multiply
88,069,386.80x = 132,104,080.20 × 80,133,201.20 - Step 4: Simplify right side
88,069,386.80x = 10,585,922,838,007,536 - Step 5: Solve for x
x = 10,585,922,838,007,536/88,069,386.80 - Step 6: Final answer
x = 120,199,801.80
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Similar ratio
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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.