Finding the Fourth Proportional to 133,075,326.20, 199,612,989.30 and 131,283,735.80
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Solution
The fourth proportional to 133,075,326.20, 199,612,989.30 and 131,283,735.80 is: 196,925,603.70
Step by Step Solution
- Step 1: Write the proportion equation
133,075,326.20 : 199,612,989.30 = 131,283,735.80 : x - Step 2: Convert to fraction form
133,075,326.20/199,612,989.30 = 131,283,735.80/x - Step 3: Cross multiply
133,075,326.20x = 199,612,989.30 × 131,283,735.80 - Step 4: Simplify right side
133,075,326.20x = 26,205,938,949,509,428 - Step 5: Solve for x
x = 26,205,938,949,509,428/133,075,326.20 - Step 6: Final answer
x = 196,925,603.70
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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.