Finding the Fourth Proportional to 124,447,124.70, 186,670,687.05 and 83,526,167.70
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Solution
The fourth proportional to 124,447,124.70, 186,670,687.05 and 83,526,167.70 is: 125,289,251.55
Step by Step Solution
- Step 1: Write the proportion equation
124,447,124.70 : 186,670,687.05 = 83,526,167.70 : x - Step 2: Convert to fraction form
124,447,124.70/186,670,687.05 = 83,526,167.70/x - Step 3: Cross multiply
124,447,124.70x = 186,670,687.05 × 83,526,167.70 - Step 4: Simplify right side
124,447,124.70x = 15,591,887,111,212,520 - Step 5: Solve for x
x = 15,591,887,111,212,520/124,447,124.70 - Step 6: Final answer
x = 125,289,251.55
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1.5x scale
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.