Finding the Fourth Proportional to 99,804,568.90, 149,545,890.15 and 56,545,125.70
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Solution
The fourth proportional to 99,804,568.90, 149,545,890.15 and 56,545,125.70 is: 84,726,493.48
Step by Step Solution
- Step 1: Write the proportion equation
99,804,568.90 : 149,545,890.15 = 56,545,125.70 : x - Step 2: Convert to fraction form
99,804,568.90/149,545,890.15 = 56,545,125.70/x - Step 3: Cross multiply
99,804,568.90x = 149,545,890.15 × 56,545,125.70 - Step 4: Simplify right side
99,804,568.90x = 8,456,091,156,450,143 - Step 5: Solve for x
x = 8,456,091,156,450,143/99,804,568.90 - Step 6: Final answer
x = 84,726,493.48
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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.