Finding the Fourth Proportional to 292,377,207.12, 438,561,677.92 and 71,050,173.83
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Solution
The fourth proportional to 292,377,207.12, 438,561,677.92 and 71,050,173.83 is: 106,574,256.45
Step by Step Solution
- Step 1: Write the proportion equation
292,377,207.12 : 438,561,677.92 = 71,050,173.83 : x - Step 2: Convert to fraction form
292,377,207.12/438,561,677.92 = 71,050,173.83/x - Step 3: Cross multiply
292,377,207.12x = 438,561,677.92 × 71,050,173.83 - Step 4: Simplify right side
292,377,207.12x = 31,159,883,451,392,472 - Step 5: Solve for x
x = 31,159,883,451,392,472/292,377,207.12 - Step 6: Final answer
x = 106,574,256.45
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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.