Finding the Fourth Proportional to 99,775,478.97, 149,628,551.74 and 55,527,283.04
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Solution
The fourth proportional to 99,775,478.97, 149,628,551.74 and 55,527,283.04 is: 83,271,631.75
Step by Step Solution
- Step 1: Write the proportion equation
99,775,478.97 : 149,628,551.74 = 55,527,283.04 : x - Step 2: Convert to fraction form
99,775,478.97/149,628,551.74 = 55,527,283.04/x - Step 3: Cross multiply
99,775,478.97x = 149,628,551.74 × 55,527,283.04 - Step 4: Simplify right side
99,775,478.97x = 8,308,466,942,445,304 - Step 5: Solve for x
x = 8,308,466,942,445,304/99,775,478.97 - Step 6: Final answer
x = 83,271,631.75
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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.