Finding the Fourth Proportional to 67,998,719.76, 102,028,128.96 and 35,642,885.84
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Solution
The fourth proportional to 67,998,719.76, 102,028,128.96 and 35,642,885.84 is: 53,480,079.71
Step by Step Solution
- Step 1: Write the proportion equation
67,998,719.76 : 102,028,128.96 = 35,642,885.84 : x - Step 2: Convert to fraction form
67,998,719.76/102,028,128.96 = 35,642,885.84/x - Step 3: Cross multiply
67,998,719.76x = 102,028,128.96 × 35,642,885.84 - Step 4: Simplify right side
67,998,719.76x = 3,636,576,952,990,078 - Step 5: Solve for x
x = 3,636,576,952,990,078/67,998,719.76 - Step 6: Final answer
x = 53,480,079.71
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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.