Finding the Fourth Proportional to 73,748,134.60, 110,622,201.90 and 69,968,998.60
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Solution
The fourth proportional to 73,748,134.60, 110,622,201.90 and 69,968,998.60 is: 104,953,497.90
Step by Step Solution
- Step 1: Write the proportion equation
73,748,134.60 : 110,622,201.90 = 69,968,998.60 : x - Step 2: Convert to fraction form
73,748,134.60/110,622,201.90 = 69,968,998.60/x - Step 3: Cross multiply
73,748,134.60x = 110,622,201.90 × 69,968,998.60 - Step 4: Simplify right side
73,748,134.60x = 7,740,124,689,870,017 - Step 5: Solve for x
x = 7,740,124,689,870,017/73,748,134.60 - Step 6: Final answer
x = 104,953,497.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.