Finding the Fourth Proportional to 86,896,537.63, 130,295,675.08 and 28,588,437.07
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Solution
The fourth proportional to 86,896,537.63, 130,295,675.08 and 28,588,437.07 is: 42,866,491.68
Step by Step Solution
- Step 1: Write the proportion equation
86,896,537.63 : 130,295,675.08 = 28,588,437.07 : x - Step 2: Convert to fraction form
86,896,537.63/130,295,675.08 = 28,588,437.07/x - Step 3: Cross multiply
86,896,537.63x = 130,295,675.08 × 28,588,437.07 - Step 4: Simplify right side
86,896,537.63x = 3,724,949,707,517,747 - Step 5: Solve for x
x = 3,724,949,707,517,747/86,896,537.63 - Step 6: Final answer
x = 42,866,491.68
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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.