Finding the Fourth Proportional to 112,338,251.10, 168,507,376.65 and 93,190,628.70
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Solution
The fourth proportional to 112,338,251.10, 168,507,376.65 and 93,190,628.70 is: 139,785,943.05
Step by Step Solution
- Step 1: Write the proportion equation
112,338,251.10 : 168,507,376.65 = 93,190,628.70 : x - Step 2: Convert to fraction form
112,338,251.10/168,507,376.65 = 93,190,628.70/x - Step 3: Cross multiply
112,338,251.10x = 168,507,376.65 × 93,190,628.70 - Step 4: Simplify right side
112,338,251.10x = 15,703,308,370,601,200 - Step 5: Solve for x
x = 15,703,308,370,601,200/112,338,251.10 - Step 6: Final answer
x = 139,785,943.05
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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.