Finding the Fourth Proportional to 126,399,207.60, 189,598,811.40 and 88,103,962.80
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Solution
The fourth proportional to 126,399,207.60, 189,598,811.40 and 88,103,962.80 is: 132,155,944.20
Step by Step Solution
- Step 1: Write the proportion equation
126,399,207.60 : 189,598,811.40 = 88,103,962.80 : x - Step 2: Convert to fraction form
126,399,207.60/189,598,811.40 = 88,103,962.80/x - Step 3: Cross multiply
126,399,207.60x = 189,598,811.40 × 88,103,962.80 - Step 4: Simplify right side
126,399,207.60x = 16,704,406,626,509,816 - Step 5: Solve for x
x = 16,704,406,626,509,816/126,399,207.60 - Step 6: Final answer
x = 132,155,944.20
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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.