Finding the Fourth Proportional to 129,252,966.66, 178,368,247.58 and 73,498,396.02
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Solution
The fourth proportional to 129,252,966.66, 178,368,247.58 and 73,498,396.02 is: 101,427,305.20
Step by Step Solution
- Step 1: Write the proportion equation
129,252,966.66 : 178,368,247.58 = 73,498,396.02 : x - Step 2: Convert to fraction form
129,252,966.66/178,368,247.58 = 73,498,396.02/x - Step 3: Cross multiply
129,252,966.66x = 178,368,247.58 × 73,498,396.02 - Step 4: Simplify right side
129,252,966.66x = 13,109,780,097,660,754 - Step 5: Solve for x
x = 13,109,780,097,660,754/129,252,966.66 - Step 6: Final answer
x = 101,427,305.20
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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.