Finding the Fourth Proportional to 210,968,229.28, 291,017,289.36 and 122,851,841.44
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Solution
The fourth proportional to 210,968,229.28, 291,017,289.36 and 122,851,841.44 is: 169,466,322.07
Step by Step Solution
- Step 1: Write the proportion equation
210,968,229.28 : 291,017,289.36 = 122,851,841.44 : x - Step 2: Convert to fraction form
210,968,229.28/291,017,289.36 = 122,851,841.44/x - Step 3: Cross multiply
210,968,229.28x = 291,017,289.36 × 122,851,841.44 - Step 4: Simplify right side
210,968,229.28x = 35,752,009,888,753,320 - Step 5: Solve for x
x = 35,752,009,888,753,320/210,968,229.28 - Step 6: Final answer
x = 169,466,322.07
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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.