Finding the Fourth Proportional to 71,105,077.84, 106,657,617.06 and 19,987,096.66
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Solution
The fourth proportional to 71,105,077.84, 106,657,617.06 and 19,987,096.66 is: 29,980,645.07
Step by Step Solution
- Step 1: Write the proportion equation
71,105,077.84 : 106,657,617.06 = 19,987,096.66 : x - Step 2: Convert to fraction form
71,105,077.84/106,657,617.06 = 19,987,096.66/x - Step 3: Cross multiply
71,105,077.84x = 106,657,617.06 × 19,987,096.66 - Step 4: Simplify right side
71,105,077.84x = 2,131,776,101,703,485 - Step 5: Solve for x
x = 2,131,776,101,703,485/71,105,077.84 - Step 6: Final answer
x = 29,980,645.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.