Finding the Fourth Proportional to 276,794,389.80, 381,969,533.70 and 153,031,884.84
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Solution
The fourth proportional to 276,794,389.80, 381,969,533.70 and 153,031,884.84 is: 211,180,283.44
Step by Step Solution
- Step 1: Write the proportion equation
276,794,389.80 : 381,969,533.70 = 153,031,884.84 : x - Step 2: Convert to fraction form
276,794,389.80/381,969,533.70 = 153,031,884.84/x - Step 3: Cross multiply
276,794,389.80x = 381,969,533.70 × 153,031,884.84 - Step 4: Simplify right side
276,794,389.80x = 58,453,517,693,566,896 - Step 5: Solve for x
x = 58,453,517,693,566,896/276,794,389.80 - Step 6: Final answer
x = 211,180,283.44
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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.