Finding the Fourth Proportional to 287,313,810.19, 430,970,721.00 and 68,964,152.30
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Solution
The fourth proportional to 287,313,810.19, 430,970,721.00 and 68,964,152.30 is: 103,446,229.82
Step by Step Solution
- Step 1: Write the proportion equation
287,313,810.19 : 430,970,721.00 = 68,964,152.30 : x - Step 2: Convert to fraction form
287,313,810.19/430,970,721.00 = 68,964,152.30/x - Step 3: Cross multiply
287,313,810.19x = 430,970,721.00 × 68,964,152.30 - Step 4: Simplify right side
287,313,810.19x = 29,721,530,439,087,476 - Step 5: Solve for x
x = 29,721,530,439,087,476/287,313,810.19 - Step 6: Final answer
x = 103,446,229.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.