Finding the Fourth Proportional to 209,110,232.80, 293,056,656.80 and 209,110,232.80
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Solution
The fourth proportional to 209,110,232.80, 293,056,656.80 and 209,110,232.80 is: 293,056,656.80
Step by Step Solution
- Step 1: Write the proportion equation
209,110,232.80 : 293,056,656.80 = 209,110,232.80 : x - Step 2: Convert to fraction form
209,110,232.80/293,056,656.80 = 209,110,232.80/x - Step 3: Cross multiply
209,110,232.80x = 293,056,656.80 × 209,110,232.80 - Step 4: Simplify right side
209,110,232.80x = 61,281,145,727,037,712 - Step 5: Solve for x
x = 61,281,145,727,037,712/209,110,232.80 - Step 6: Final answer
x = 293,056,656.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.