Finding the Fourth Proportional to 125,620,560.09, 188,430,908.46 and 39,365,717.49
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Solution
The fourth proportional to 125,620,560.09, 188,430,908.46 and 39,365,717.49 is: 59,048,597.65
Step by Step Solution
- Step 1: Write the proportion equation
125,620,560.09 : 188,430,908.46 = 39,365,717.49 : x - Step 2: Convert to fraction form
125,620,560.09/188,430,908.46 = 39,365,717.49/x - Step 3: Cross multiply
125,620,560.09x = 188,430,908.46 × 39,365,717.49 - Step 4: Simplify right side
125,620,560.09x = 7,417,717,908,820,412 - Step 5: Solve for x
x = 7,417,717,908,820,412/125,620,560.09 - Step 6: Final answer
x = 59,048,597.65
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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.