Finding the Fourth Proportional to 39,708,761.45, 59,164,032.83 and 37,478,535.99
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Solution
The fourth proportional to 39,708,761.45, 59,164,032.83 and 37,478,535.99 is: 55,841,110.45
Step by Step Solution
- Step 1: Write the proportion equation
39,708,761.45 : 59,164,032.83 = 37,478,535.99 : x - Step 2: Convert to fraction form
39,708,761.45/59,164,032.83 = 37,478,535.99/x - Step 3: Cross multiply
39,708,761.45x = 59,164,032.83 × 37,478,535.99 - Step 4: Simplify right side
39,708,761.45x = 2,217,381,333,545,304 - Step 5: Solve for x
x = 2,217,381,333,545,304/39,708,761.45 - Step 6: Final answer
x = 55,841,110.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.