Finding the Fourth Proportional to 197,011,195.70, 295,489,966.35 and 51,456,139.70
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Solution
The fourth proportional to 197,011,195.70, 295,489,966.35 and 51,456,139.70 is: 77,177,202.72
Step by Step Solution
- Step 1: Write the proportion equation
197,011,195.70 : 295,489,966.35 = 51,456,139.70 : x - Step 2: Convert to fraction form
197,011,195.70/295,489,966.35 = 51,456,139.70/x - Step 3: Cross multiply
197,011,195.70x = 295,489,966.35 × 51,456,139.70 - Step 4: Simplify right side
197,011,195.70x = 15,204,772,988,453,902 - Step 5: Solve for x
x = 15,204,772,988,453,902/197,011,195.70 - Step 6: Final answer
x = 77,177,202.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.