Finding the Fourth Proportional to 169,655,135.70, 254,482,703.55 and 83,561,693.70
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Solution
The fourth proportional to 169,655,135.70, 254,482,703.55 and 83,561,693.70 is: 125,342,540.55
Step by Step Solution
- Step 1: Write the proportion equation
169,655,135.70 : 254,482,703.55 = 83,561,693.70 : x - Step 2: Convert to fraction form
169,655,135.70/254,482,703.55 = 83,561,693.70/x - Step 3: Cross multiply
169,655,135.70x = 254,482,703.55 × 83,561,693.70 - Step 4: Simplify right side
169,655,135.70x = 21,265,005,725,993,004 - Step 5: Solve for x
x = 21,265,005,725,993,004/169,655,135.70 - Step 6: Final answer
x = 125,342,540.55
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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.