Finding the Fourth Proportional to 45,657,968.64, 63,007,981.56 and 25,030,971.96
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Solution
The fourth proportional to 45,657,968.64, 63,007,981.56 and 25,030,971.96 is: 34,542,732.99
Step by Step Solution
- Step 1: Write the proportion equation
45,657,968.64 : 63,007,981.56 = 25,030,971.96 : x - Step 2: Convert to fraction form
45,657,968.64/63,007,981.56 = 25,030,971.96/x - Step 3: Cross multiply
45,657,968.64x = 63,007,981.56 × 25,030,971.96 - Step 4: Simplify right side
45,657,968.64x = 1,577,151,019,684,557.25 - Step 5: Solve for x
x = 1,577,151,019,684,557.25/45,657,968.64 - Step 6: Final answer
x = 34,542,732.99
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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.