Finding the Fourth Proportional to 287,283,919.76, 430,986,475.76 and 93,180,259.92
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Solution
The fourth proportional to 287,283,919.76, 430,986,475.76 and 93,180,259.92 is: 139,790,044.17
Step by Step Solution
- Step 1: Write the proportion equation
287,283,919.76 : 430,986,475.76 = 93,180,259.92 : x - Step 2: Convert to fraction form
287,283,919.76/430,986,475.76 = 93,180,259.92/x - Step 3: Cross multiply
287,283,919.76x = 430,986,475.76 × 93,180,259.92 - Step 4: Simplify right side
287,283,919.76x = 40,159,431,833,321,576 - Step 5: Solve for x
x = 40,159,431,833,321,576/287,283,919.76 - Step 6: Final answer
x = 139,790,044.17
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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.