Finding the Fourth Proportional to 86,184,831.60, 129,277,247.40 and 53,873,218.80
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Solution
The fourth proportional to 86,184,831.60, 129,277,247.40 and 53,873,218.80 is: 80,809,828.20
Step by Step Solution
- Step 1: Write the proportion equation
86,184,831.60 : 129,277,247.40 = 53,873,218.80 : x - Step 2: Convert to fraction form
86,184,831.60/129,277,247.40 = 53,873,218.80/x - Step 3: Cross multiply
86,184,831.60x = 129,277,247.40 × 53,873,218.80 - Step 4: Simplify right side
86,184,831.60x = 6,964,581,435,041,931 - Step 5: Solve for x
x = 6,964,581,435,041,931/86,184,831.60 - Step 6: Final answer
x = 80,809,828.20
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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.