Finding the Fourth Proportional to 163,301,471.80, 244,952,207.70 and 72,602,207.80
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Solution
The fourth proportional to 163,301,471.80, 244,952,207.70 and 72,602,207.80 is: 108,903,311.70
Step by Step Solution
- Step 1: Write the proportion equation
163,301,471.80 : 244,952,207.70 = 72,602,207.80 : x - Step 2: Convert to fraction form
163,301,471.80/244,952,207.70 = 72,602,207.80/x - Step 3: Cross multiply
163,301,471.80x = 244,952,207.70 × 72,602,207.80 - Step 4: Simplify right side
163,301,471.80x = 17,784,071,084,504,158 - Step 5: Solve for x
x = 17,784,071,084,504,158/163,301,471.80 - Step 6: Final answer
x = 108,903,311.70
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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.