Finding the Fourth Proportional to 287,684,795.10, 431,569,183.05 and 93,563,175.90
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Solution
The fourth proportional to 287,684,795.10, 431,569,183.05 and 93,563,175.90 is: 140,358,420.31
Step by Step Solution
- Step 1: Write the proportion equation
287,684,795.10 : 431,569,183.05 = 93,563,175.90 : x - Step 2: Convert to fraction form
287,684,795.10/431,569,183.05 = 93,563,175.90/x - Step 3: Cross multiply
287,684,795.10x = 431,569,183.05 × 93,563,175.90 - Step 4: Simplify right side
287,684,795.10x = 40,378,983,386,726,456 - Step 5: Solve for x
x = 40,378,983,386,726,456/287,684,795.10 - Step 6: Final answer
x = 140,358,420.31
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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.