Finding the Fourth Proportional to 236,197,959.40, 354,296,939.10 and 139,103,688.70
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Solution
The fourth proportional to 236,197,959.40, 354,296,939.10 and 139,103,688.70 is: 208,655,533.05
Step by Step Solution
- Step 1: Write the proportion equation
236,197,959.40 : 354,296,939.10 = 139,103,688.70 : x - Step 2: Convert to fraction form
236,197,959.40/354,296,939.10 = 139,103,688.70/x - Step 3: Cross multiply
236,197,959.40x = 354,296,939.10 × 139,103,688.70 - Step 4: Simplify right side
236,197,959.40x = 49,284,011,123,929,256 - Step 5: Solve for x
x = 49,284,011,123,929,256/236,197,959.40 - Step 6: Final answer
x = 208,655,533.05
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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.