Finding the Fourth Proportional to 66,777,727.14, 92,239,707.69 and 55,221,969.06
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Solution
The fourth proportional to 66,777,727.14, 92,239,707.69 and 55,221,969.06 is: 76,277,802.53
Step by Step Solution
- Step 1: Write the proportion equation
66,777,727.14 : 92,239,707.69 = 55,221,969.06 : x - Step 2: Convert to fraction form
66,777,727.14/92,239,707.69 = 55,221,969.06/x - Step 3: Cross multiply
66,777,727.14x = 92,239,707.69 × 55,221,969.06 - Step 4: Simplify right side
66,777,727.14x = 5,093,658,284,160,624 - Step 5: Solve for x
x = 5,093,658,284,160,624/66,777,727.14 - Step 6: Final answer
x = 76,277,802.53
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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.