Finding the Fourth Proportional to 86,804,468.16, 119,889,584.81 and 57,167,599.41
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Solution
The fourth proportional to 86,804,468.16, 119,889,584.81 and 57,167,599.41 is: 78,956,762.29
Step by Step Solution
- Step 1: Write the proportion equation
86,804,468.16 : 119,889,584.81 = 57,167,599.41 : x - Step 2: Convert to fraction form
86,804,468.16/119,889,584.81 = 57,167,599.41/x - Step 3: Cross multiply
86,804,468.16x = 119,889,584.81 × 57,167,599.41 - Step 4: Simplify right side
86,804,468.16x = 6,853,799,757,849,301 - Step 5: Solve for x
x = 6,853,799,757,849,301/86,804,468.16 - Step 6: Final answer
x = 78,956,762.29
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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.