Finding the Fourth Proportional to 180,740,537.80, 249,524,367.08 and 138,274,201.04
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Solution
The fourth proportional to 180,740,537.80, 249,524,367.08 and 138,274,201.04 is: 190,896,756.85
Step by Step Solution
- Step 1: Write the proportion equation
180,740,537.80 : 249,524,367.08 = 138,274,201.04 : x - Step 2: Convert to fraction form
180,740,537.80/249,524,367.08 = 138,274,201.04/x - Step 3: Cross multiply
180,740,537.80x = 249,524,367.08 × 138,274,201.04 - Step 4: Simplify right side
180,740,537.80x = 34,502,782,497,998,676 - Step 5: Solve for x
x = 34,502,782,497,998,676/180,740,537.80 - Step 6: Final answer
x = 190,896,756.85
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1.5x scale
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.