Finding the Fourth Proportional to 128,517,114.36, 192,803,327.00 and 39,883,934.51
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Solution
The fourth proportional to 128,517,114.36, 192,803,327.00 and 39,883,934.51 is: 59,834,484.34
Step by Step Solution
- Step 1: Write the proportion equation
128,517,114.36 : 192,803,327.00 = 39,883,934.51 : x - Step 2: Convert to fraction form
128,517,114.36/192,803,327.00 = 39,883,934.51/x - Step 3: Cross multiply
128,517,114.36x = 192,803,327.00 × 39,883,934.51 - Step 4: Simplify right side
128,517,114.36x = 7,689,755,266,214,679 - Step 5: Solve for x
x = 7,689,755,266,214,679/128,517,114.36 - Step 6: Final answer
x = 59,834,484.34
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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.