Finding the Fourth Proportional to 77,212,673.57, 115,818,912.54 and 19,704,946.02
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Solution
The fourth proportional to 77,212,673.57, 115,818,912.54 and 19,704,946.02 is: 29,557,394.07
Step by Step Solution
- Step 1: Write the proportion equation
77,212,673.57 : 115,818,912.54 = 19,704,946.02 : x - Step 2: Convert to fraction form
77,212,673.57/115,818,912.54 = 19,704,946.02/x - Step 3: Cross multiply
77,212,673.57x = 115,818,912.54 × 19,704,946.02 - Step 4: Simplify right side
77,212,673.57x = 2,282,205,419,695,801 - Step 5: Solve for x
x = 2,282,205,419,695,801/77,212,673.57 - Step 6: Final answer
x = 29,557,394.07
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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.