Finding the Fourth Proportional to 134,568,235.74, 185,704,239.96 and 72,688,574.64
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Solution
The fourth proportional to 134,568,235.74, 185,704,239.96 and 72,688,574.64 is: 100,310,273.32
Step by Step Solution
- Step 1: Write the proportion equation
134,568,235.74 : 185,704,239.96 = 72,688,574.64 : x - Step 2: Convert to fraction form
134,568,235.74/185,704,239.96 = 72,688,574.64/x - Step 3: Cross multiply
134,568,235.74x = 185,704,239.96 × 72,688,574.64 - Step 4: Simplify right side
134,568,235.74x = 13,498,576,507,296,932 - Step 5: Solve for x
x = 13,498,576,507,296,932/134,568,235.74 - Step 6: Final answer
x = 100,310,273.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.