Finding the Fourth Proportional to 180,128,672.99, 269,884,256.99 and 120,930,180.61
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Solution
The fourth proportional to 180,128,672.99, 269,884,256.99 and 120,930,180.61 is: 181,187,988.56
Step by Step Solution
- Step 1: Write the proportion equation
180,128,672.99 : 269,884,256.99 = 120,930,180.61 : x - Step 2: Convert to fraction form
180,128,672.99/269,884,256.99 = 120,930,180.61/x - Step 3: Cross multiply
180,128,672.99x = 269,884,256.99 × 120,930,180.61 - Step 4: Simplify right side
180,128,672.99x = 32,637,151,941,596,356 - Step 5: Solve for x
x = 32,637,151,941,596,356/180,128,672.99 - Step 6: Final answer
x = 181,187,988.56
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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.