Finding the Fourth Proportional to 85,596,305.48, 128,415,371.55 and 27,303,993.57
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Solution
The fourth proportional to 85,596,305.48, 128,415,371.55 and 27,303,993.57 is: 40,962,661.41
Step by Step Solution
- Step 1: Write the proportion equation
85,596,305.48 : 128,415,371.55 = 27,303,993.57 : x - Step 2: Convert to fraction form
85,596,305.48/128,415,371.55 = 27,303,993.57/x - Step 3: Cross multiply
85,596,305.48x = 128,415,371.55 × 27,303,993.57 - Step 4: Simplify right side
85,596,305.48x = 3,506,252,479,090,361 - Step 5: Solve for x
x = 3,506,252,479,090,361/85,596,305.48 - Step 6: Final answer
x = 40,962,661.41
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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.