Finding the Fourth Proportional to 165,878,179.09, 228,911,984.49 and 92,539,321.09
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Solution
The fourth proportional to 165,878,179.09, 228,911,984.49 and 92,539,321.09 is: 127,704,317.41
Step by Step Solution
- Step 1: Write the proportion equation
165,878,179.09 : 228,911,984.49 = 92,539,321.09 : x - Step 2: Convert to fraction form
165,878,179.09/228,911,984.49 = 92,539,321.09/x - Step 3: Cross multiply
165,878,179.09x = 228,911,984.49 × 92,539,321.09 - Step 4: Simplify right side
165,878,179.09x = 21,183,359,634,069,212 - Step 5: Solve for x
x = 21,183,359,634,069,212/165,878,179.09 - Step 6: Final answer
x = 127,704,317.41
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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.