Finding the Fourth Proportional to 128,373,369.60, 192,552,966.65 and 93,865,134.00
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Solution
The fourth proportional to 128,373,369.60, 192,552,966.65 and 93,865,134.00 is: 140,792,518.52
Step by Step Solution
- Step 1: Write the proportion equation
128,373,369.60 : 192,552,966.65 = 93,865,134.00 : x - Step 2: Convert to fraction form
128,373,369.60/192,552,966.65 = 93,865,134.00/x - Step 3: Cross multiply
128,373,369.60x = 192,552,966.65 × 93,865,134.00 - Step 4: Simplify right side
128,373,369.60x = 18,074,010,015,737,016 - Step 5: Solve for x
x = 18,074,010,015,737,016/128,373,369.60 - Step 6: Final answer
x = 140,792,518.52
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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.