Finding the Fourth Proportional to 125,758,324.80, 173,544,710.40 and 70,754,050.08
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Solution
The fourth proportional to 125,758,324.80, 173,544,710.40 and 70,754,050.08 is: 97,639,588.87
Step by Step Solution
- Step 1: Write the proportion equation
125,758,324.80 : 173,544,710.40 = 70,754,050.08 : x - Step 2: Convert to fraction form
125,758,324.80/173,544,710.40 = 70,754,050.08/x - Step 3: Cross multiply
125,758,324.80x = 173,544,710.40 × 70,754,050.08 - Step 4: Simplify right side
125,758,324.80x = 12,278,991,130,760,696 - Step 5: Solve for x
x = 12,278,991,130,760,696/125,758,324.80 - Step 6: Final answer
x = 97,639,588.87
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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.