Finding the Fourth Proportional to 287,684,754.60, 431,569,122.30 and 93,563,135.40
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Solution
The fourth proportional to 287,684,754.60, 431,569,122.30 and 93,563,135.40 is: 140,358,359.55
Step by Step Solution
- Step 1: Write the proportion equation
287,684,754.60 : 431,569,122.30 = 93,563,135.40 : x - Step 2: Convert to fraction form
287,684,754.60/431,569,122.30 = 93,563,135.40/x - Step 3: Cross multiply
287,684,754.60x = 431,569,122.30 × 93,563,135.40 - Step 4: Simplify right side
287,684,754.60x = 40,378,960,224,214,064 - Step 5: Solve for x
x = 40,378,960,224,214,064/287,684,754.60 - Step 6: Final answer
x = 140,358,359.55
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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.