Finding the Fourth Proportional to 86,208,851.20, 129,313,276.80 and 22,383,443.20
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Solution
The fourth proportional to 86,208,851.20, 129,313,276.80 and 22,383,443.20 is: 33,575,164.80
Step by Step Solution
- Step 1: Write the proportion equation
86,208,851.20 : 129,313,276.80 = 22,383,443.20 : x - Step 2: Convert to fraction form
86,208,851.20/129,313,276.80 = 22,383,443.20/x - Step 3: Cross multiply
86,208,851.20x = 129,313,276.80 × 22,383,443.20 - Step 4: Simplify right side
86,208,851.20x = 2,894,476,386,258,677.50 - Step 5: Solve for x
x = 2,894,476,386,258,677.50/86,208,851.20 - Step 6: Final answer
x = 33,575,164.80
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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.