Finding the Fourth Proportional to 149,883,728.00, 206,776,208.19 and 100,340,063.82
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Solution
The fourth proportional to 149,883,728.00, 206,776,208.19 and 100,340,063.82 is: 138,426,887.32
Step by Step Solution
- Step 1: Write the proportion equation
149,883,728.00 : 206,776,208.19 = 100,340,063.82 : x - Step 2: Convert to fraction form
149,883,728.00/206,776,208.19 = 100,340,063.82/x - Step 3: Cross multiply
149,883,728.00x = 206,776,208.19 × 100,340,063.82 - Step 4: Simplify right side
149,883,728.00x = 20,747,937,926,618,480 - Step 5: Solve for x
x = 20,747,937,926,618,480/149,883,728.00 - Step 6: Final answer
x = 138,426,887.32
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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.