Finding the Fourth Proportional to 81,020,971.98, 121,527,170.51 and 22,732,709.00
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Solution
The fourth proportional to 81,020,971.98, 121,527,170.51 and 22,732,709.00 is: 34,097,860.52
Step by Step Solution
- Step 1: Write the proportion equation
81,020,971.98 : 121,527,170.51 = 22,732,709.00 : x - Step 2: Convert to fraction form
81,020,971.98/121,527,170.51 = 22,732,709.00/x - Step 3: Cross multiply
81,020,971.98x = 121,527,170.51 × 22,732,709.00 - Step 4: Simplify right side
81,020,971.98x = 2,762,641,802,075,912 - Step 5: Solve for x
x = 2,762,641,802,075,912/81,020,971.98 - Step 6: Final answer
x = 34,097,860.52
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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.