Finding the Fourth Proportional to 141,655,414.98, 212,544,927.09 and 49,605,220.38
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Solution
The fourth proportional to 141,655,414.98, 212,544,927.09 and 49,605,220.38 is: 74,429,473.45
Step by Step Solution
- Step 1: Write the proportion equation
141,655,414.98 : 212,544,927.09 = 49,605,220.38 : x - Step 2: Convert to fraction form
141,655,414.98/212,544,927.09 = 49,605,220.38/x - Step 3: Cross multiply
141,655,414.98x = 212,544,927.09 × 49,605,220.38 - Step 4: Simplify right side
141,655,414.98x = 10,543,337,948,950,482 - Step 5: Solve for x
x = 10,543,337,948,950,482/141,655,414.98 - Step 6: Final answer
x = 74,429,473.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.