Finding the Fourth Proportional to 177,412,323.60, 266,118,485.40 and 100,705,712.40
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Solution
The fourth proportional to 177,412,323.60, 266,118,485.40 and 100,705,712.40 is: 151,058,568.60
Step by Step Solution
- Step 1: Write the proportion equation
177,412,323.60 : 266,118,485.40 = 100,705,712.40 : x - Step 2: Convert to fraction form
177,412,323.60/266,118,485.40 = 100,705,712.40/x - Step 3: Cross multiply
177,412,323.60x = 266,118,485.40 × 100,705,712.40 - Step 4: Simplify right side
177,412,323.60x = 26,799,651,655,016,000 - Step 5: Solve for x
x = 26,799,651,655,016,000/177,412,323.60 - Step 6: Final answer
x = 151,058,568.60
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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.