Finding the Fourth Proportional to 170,116,459.20, 255,174,688.80 and 48,947,911.20
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Solution
The fourth proportional to 170,116,459.20, 255,174,688.80 and 48,947,911.20 is: 73,421,866.80
Step by Step Solution
- Step 1: Write the proportion equation
170,116,459.20 : 255,174,688.80 = 48,947,911.20 : x - Step 2: Convert to fraction form
170,116,459.20/255,174,688.80 = 48,947,911.20/x - Step 3: Cross multiply
170,116,459.20x = 255,174,688.80 × 48,947,911.20 - Step 4: Simplify right side
170,116,459.20x = 12,490,268,007,870,036 - Step 5: Solve for x
x = 12,490,268,007,870,036/170,116,459.20 - Step 6: Final answer
x = 73,421,866.80
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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.