Finding the Fourth Proportional to 141,873,651.36, 195,787,811.88 and 83,122,258.32
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Solution
The fourth proportional to 141,873,651.36, 195,787,811.88 and 83,122,258.32 is: 114,709,989.62
Step by Step Solution
- Step 1: Write the proportion equation
141,873,651.36 : 195,787,811.88 = 83,122,258.32 : x - Step 2: Convert to fraction form
141,873,651.36/195,787,811.88 = 83,122,258.32/x - Step 3: Cross multiply
141,873,651.36x = 195,787,811.88 × 83,122,258.32 - Step 4: Simplify right side
141,873,651.36x = 16,274,325,074,996,924 - Step 5: Solve for x
x = 16,274,325,074,996,924/141,873,651.36 - Step 6: Final answer
x = 114,709,989.62
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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.