Finding the Fourth Proportional to 84,002,703.96, 115,923,317.34 and 48,727,643.28
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Solution
The fourth proportional to 84,002,703.96, 115,923,317.34 and 48,727,643.28 is: 67,243,907.50
Step by Step Solution
- Step 1: Write the proportion equation
84,002,703.96 : 115,923,317.34 = 48,727,643.28 : x - Step 2: Convert to fraction form
84,002,703.96/115,923,317.34 = 48,727,643.28/x - Step 3: Cross multiply
84,002,703.96x = 115,923,317.34 × 48,727,643.28 - Step 4: Simplify right side
84,002,703.96x = 5,648,670,055,177,759 - Step 5: Solve for x
x = 5,648,670,055,177,759/84,002,703.96 - Step 6: Final answer
x = 67,243,907.50
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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.