Finding the Fourth Proportional to 84,156,661.97, 116,135,064.53 and 46,987,513.13
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Solution
The fourth proportional to 84,156,661.97, 116,135,064.53 and 46,987,513.13 is: 64,842,137.76
Step by Step Solution
- Step 1: Write the proportion equation
84,156,661.97 : 116,135,064.53 = 46,987,513.13 : x - Step 2: Convert to fraction form
84,156,661.97/116,135,064.53 = 46,987,513.13/x - Step 3: Cross multiply
84,156,661.97x = 116,135,064.53 × 46,987,513.13 - Step 4: Simplify right side
84,156,661.97x = 5,456,897,869,221,835 - Step 5: Solve for x
x = 5,456,897,869,221,835/84,156,661.97 - Step 6: Final answer
x = 64,842,137.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.