Finding the Fourth Proportional to 108,807,467.80, 163,211,201.70 and 28,028,435.80
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Solution
The fourth proportional to 108,807,467.80, 163,211,201.70 and 28,028,435.80 is: 42,042,653.70
Step by Step Solution
- Step 1: Write the proportion equation
108,807,467.80 : 163,211,201.70 = 28,028,435.80 : x - Step 2: Convert to fraction form
108,807,467.80/163,211,201.70 = 28,028,435.80/x - Step 3: Cross multiply
108,807,467.80x = 163,211,201.70 × 28,028,435.80 - Step 4: Simplify right side
108,807,467.80x = 4,574,554,688,689,301 - Step 5: Solve for x
x = 4,574,554,688,689,301/108,807,467.80 - Step 6: Final answer
x = 42,042,653.70
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1.5x scale
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.