Finding the Fourth Proportional to 316,477,388.14, 436,733,015.12 and 175,348,093.80
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Solution
The fourth proportional to 316,477,388.14, 436,733,015.12 and 175,348,093.80 is: 241,977,166.68
Step by Step Solution
- Step 1: Write the proportion equation
316,477,388.14 : 436,733,015.12 = 175,348,093.80 : x - Step 2: Convert to fraction form
316,477,388.14/436,733,015.12 = 175,348,093.80/x - Step 3: Cross multiply
316,477,388.14x = 436,733,015.12 × 175,348,093.80 - Step 4: Simplify right side
316,477,388.14x = 76,580,301,700,818,592 - Step 5: Solve for x
x = 76,580,301,700,818,592/316,477,388.14 - Step 6: Final answer
x = 241,977,166.68
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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.