Finding the Fourth Proportional to 320,516,191.43, 442,326,167.93 and 177,461,953.31
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Solution
The fourth proportional to 320,516,191.43, 442,326,167.93 and 177,461,953.31 is: 244,905,149.44
Step by Step Solution
- Step 1: Write the proportion equation
320,516,191.43 : 442,326,167.93 = 177,461,953.31 : x - Step 2: Convert to fraction form
320,516,191.43/442,326,167.93 = 177,461,953.31/x - Step 3: Cross multiply
320,516,191.43x = 442,326,167.93 × 177,461,953.31 - Step 4: Simplify right side
320,516,191.43x = 78,496,065,760,984,880 - Step 5: Solve for x
x = 78,496,065,760,984,880/320,516,191.43 - Step 6: Final answer
x = 244,905,149.44
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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.