Finding the Fourth Proportional to 141,717,232.64, 195,570,378.24 and 79,838,312.96
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Solution
The fourth proportional to 141,717,232.64, 195,570,378.24 and 79,838,312.96 is: 110,177,208.32
Step by Step Solution
- Step 1: Write the proportion equation
141,717,232.64 : 195,570,378.24 = 79,838,312.96 : x - Step 2: Convert to fraction form
141,717,232.64/195,570,378.24 = 79,838,312.96/x - Step 3: Cross multiply
141,717,232.64x = 195,570,378.24 × 79,838,312.96 - Step 4: Simplify right side
141,717,232.64x = 15,614,009,063,630,694 - Step 5: Solve for x
x = 15,614,009,063,630,694/141,717,232.64 - Step 6: Final answer
x = 110,177,208.32
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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.