Finding the Fourth Proportional to 343,244,927.20, 514,867,390.80 and 159,012,047.20
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Solution
The fourth proportional to 343,244,927.20, 514,867,390.80 and 159,012,047.20 is: 238,518,070.80
Step by Step Solution
- Step 1: Write the proportion equation
343,244,927.20 : 514,867,390.80 = 159,012,047.20 : x - Step 2: Convert to fraction form
343,244,927.20/514,867,390.80 = 159,012,047.20/x - Step 3: Cross multiply
343,244,927.20x = 514,867,390.80 × 159,012,047.20 - Step 4: Simplify right side
343,244,927.20x = 81,870,117,847,630,448 - Step 5: Solve for x
x = 81,870,117,847,630,448/343,244,927.20 - Step 6: Final answer
x = 238,518,070.80
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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.