Finding the Fourth Proportional to 68,498,103.62, 102,762,268.28 and 19,979,754.66
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Solution
The fourth proportional to 68,498,103.62, 102,762,268.28 and 19,979,754.66 is: 29,974,040.16
Step by Step Solution
- Step 1: Write the proportion equation
68,498,103.62 : 102,762,268.28 = 19,979,754.66 : x - Step 2: Convert to fraction form
68,498,103.62/102,762,268.28 = 19,979,754.66/x - Step 3: Cross multiply
68,498,103.62x = 102,762,268.28 × 19,979,754.66 - Step 4: Simplify right side
68,498,103.62x = 2,053,164,908,439,601.50 - Step 5: Solve for x
x = 2,053,164,908,439,601.50/68,498,103.62 - Step 6: Final answer
x = 29,974,040.16
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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.