Finding the Fourth Proportional to 203,415,831.36, 305,116,994.88 and 88,400,484
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Solution
The fourth proportional to 203,415,831.36, 305,116,994.88 and 88,400,484 is: 132,597,791.65
Step by Step Solution
- Step 1: Write the proportion equation
203,415,831.36 : 305,116,994.88 = 88,400,484 : x - Step 2: Convert to fraction form
203,415,831.36/305,116,994.88 = 88,400,484/x - Step 3: Cross multiply
203,415,831.36x = 305,116,994.88 × 88,400,484 - Step 4: Simplify right side
203,415,831.36x = 26,972,490,024,017,520 - Step 5: Solve for x
x = 26,972,490,024,017,520/203,415,831.36 - Step 6: Final answer
x = 132,597,791.65
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1.5x scale
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.