Finding the Fourth Proportional to 145,344,877.38, 217,929,502.49 and 57,919,843.98
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Solution
The fourth proportional to 145,344,877.38, 217,929,502.49 and 57,919,843.98 is: 86,844,772.31
Step by Step Solution
- Step 1: Write the proportion equation
145,344,877.38 : 217,929,502.49 = 57,919,843.98 : x - Step 2: Convert to fraction form
145,344,877.38/217,929,502.49 = 57,919,843.98/x - Step 3: Cross multiply
145,344,877.38x = 217,929,502.49 × 57,919,843.98 - Step 4: Simplify right side
145,344,877.38x = 12,622,442,782,570,222 - Step 5: Solve for x
x = 12,622,442,782,570,222/145,344,877.38 - Step 6: Final answer
x = 86,844,772.31
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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.