Finding the Fourth Proportional to 138,096,603.84, 207,146,480.41 and 47,227,278.72
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Solution
The fourth proportional to 138,096,603.84, 207,146,480.41 and 47,227,278.72 is: 70,841,456.59
Step by Step Solution
- Step 1: Write the proportion equation
138,096,603.84 : 207,146,480.41 = 47,227,278.72 : x - Step 2: Convert to fraction form
138,096,603.84/207,146,480.41 = 47,227,278.72/x - Step 3: Cross multiply
138,096,603.84x = 207,146,480.41 × 47,227,278.72 - Step 4: Simplify right side
138,096,603.84x = 9,782,964,566,760,034 - Step 5: Solve for x
x = 9,782,964,566,760,034/138,096,603.84 - Step 6: Final answer
x = 70,841,456.59
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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.