Finding the Fourth Proportional to 85,634,982.12, 118,177,126.02 and 46,477,106.76
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Solution
The fourth proportional to 85,634,982.12, 118,177,126.02 and 46,477,106.76 is: 64,138,869.03
Step by Step Solution
- Step 1: Write the proportion equation
85,634,982.12 : 118,177,126.02 = 46,477,106.76 : x - Step 2: Convert to fraction form
85,634,982.12/118,177,126.02 = 46,477,106.76/x - Step 3: Cross multiply
85,634,982.12x = 118,177,126.02 × 46,477,106.76 - Step 4: Simplify right side
85,634,982.12x = 5,492,530,902,621,513 - Step 5: Solve for x
x = 5,492,530,902,621,513/85,634,982.12 - Step 6: Final answer
x = 64,138,869.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.