Finding the Fourth Proportional to 65,963,020.14, 98,945,291.97 and 19,905,288.21
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Solution
The fourth proportional to 65,963,020.14, 98,945,291.97 and 19,905,288.21 is: 29,858,162.19
Step by Step Solution
- Step 1: Write the proportion equation
65,963,020.14 : 98,945,291.97 = 19,905,288.21 : x - Step 2: Convert to fraction form
65,963,020.14/98,945,291.97 = 19,905,288.21/x - Step 3: Cross multiply
65,963,020.14x = 98,945,291.97 × 19,905,288.21 - Step 4: Simplify right side
65,963,020.14x = 1,969,534,553,685,448.75 - Step 5: Solve for x
x = 1,969,534,553,685,448.75/65,963,020.14 - Step 6: Final answer
x = 29,858,162.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.