Finding the Fourth Proportional to 107,772,562.80, 161,658,844.20 and 107,772,562.80
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Solution
The fourth proportional to 107,772,562.80, 161,658,844.20 and 107,772,562.80 is: 161,658,844.20
Step by Step Solution
- Step 1: Write the proportion equation
107,772,562.80 : 161,658,844.20 = 107,772,562.80 : x - Step 2: Convert to fraction form
107,772,562.80/161,658,844.20 = 107,772,562.80/x - Step 3: Cross multiply
107,772,562.80x = 161,658,844.20 × 107,772,562.80 - Step 4: Simplify right side
107,772,562.80x = 17,422,387,938,719,914 - Step 5: Solve for x
x = 17,422,387,938,719,914/107,772,562.80 - Step 6: Final answer
x = 161,658,844.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.