Finding the Fourth Proportional to 68,498,102.12, 102,762,266.02 and 19,979,753.15
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Solution
The fourth proportional to 68,498,102.12, 102,762,266.02 and 19,979,753.15 is: 29,974,037.89
Step by Step Solution
- Step 1: Write the proportion equation
68,498,102.12 : 102,762,266.02 = 19,979,753.15 : x - Step 2: Convert to fraction form
68,498,102.12/102,762,266.02 = 19,979,753.15/x - Step 3: Cross multiply
68,498,102.12x = 102,762,266.02 × 19,979,753.15 - Step 4: Simplify right side
68,498,102.12x = 2,053,164,708,421,189.25 - Step 5: Solve for x
x = 2,053,164,708,421,189.25/68,498,102.12 - Step 6: Final answer
x = 29,974,037.89
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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.