Finding the Fourth Proportional to 140,656,620.97, 194,103,567.83 and 77,932,490.18
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Solution
The fourth proportional to 140,656,620.97, 194,103,567.83 and 77,932,490.18 is: 107,545,413.00
Step by Step Solution
- Step 1: Write the proportion equation
140,656,620.97 : 194,103,567.83 = 77,932,490.18 : x - Step 2: Convert to fraction form
140,656,620.97/194,103,567.83 = 77,932,490.18/x - Step 3: Cross multiply
140,656,620.97x = 194,103,567.83 × 77,932,490.18 - Step 4: Simplify right side
140,656,620.97x = 15,126,974,393,424,776 - Step 5: Solve for x
x = 15,126,974,393,424,776/140,656,620.97 - Step 6: Final answer
x = 107,545,413.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.