Finding the Fourth Proportional to 87,667,351.14, 120,972,707.51 and 59,352,127.28
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Solution
The fourth proportional to 87,667,351.14, 120,972,707.51 and 59,352,127.28 is: 81,900,359.02
Step by Step Solution
- Step 1: Write the proportion equation
87,667,351.14 : 120,972,707.51 = 59,352,127.28 : x - Step 2: Convert to fraction form
87,667,351.14/120,972,707.51 = 59,352,127.28/x - Step 3: Cross multiply
87,667,351.14x = 120,972,707.51 × 59,352,127.28 - Step 4: Simplify right side
87,667,351.14x = 7,179,987,532,638,107 - Step 5: Solve for x
x = 7,179,987,532,638,107/87,667,351.14 - Step 6: Final answer
x = 81,900,359.02
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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.