Finding the Fourth Proportional to 195,309,607.29, 269,750,952.18 and 128,626,653.48
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Solution
The fourth proportional to 195,309,607.29, 269,750,952.18 and 128,626,653.48 is: 177,652,101.88
Step by Step Solution
- Step 1: Write the proportion equation
195,309,607.29 : 269,750,952.18 = 128,626,653.48 : x - Step 2: Convert to fraction form
195,309,607.29/269,750,952.18 = 128,626,653.48/x - Step 3: Cross multiply
195,309,607.29x = 269,750,952.18 × 128,626,653.48 - Step 4: Simplify right side
195,309,607.29x = 34,697,162,251,956,912 - Step 5: Solve for x
x = 34,697,162,251,956,912/195,309,607.29 - Step 6: Final answer
x = 177,652,101.88
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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.