Finding the Fourth Proportional to 141,272,952.68, 194,835,275.18 and 91,664,444.36
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Solution
The fourth proportional to 141,272,952.68, 194,835,275.18 and 91,664,444.36 is: 126,418,163.58
Step by Step Solution
- Step 1: Write the proportion equation
141,272,952.68 : 194,835,275.18 = 91,664,444.36 : x - Step 2: Convert to fraction form
141,272,952.68/194,835,275.18 = 91,664,444.36/x - Step 3: Cross multiply
141,272,952.68x = 194,835,275.18 × 91,664,444.36 - Step 4: Simplify right side
141,272,952.68x = 17,859,467,241,102,400 - Step 5: Solve for x
x = 17,859,467,241,102,400/141,272,952.68 - Step 6: Final answer
x = 126,418,163.58
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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.