Finding the Fourth Proportional to 107,209,261.44, 160,831,829.21 and 84,179,266.92
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Solution
The fourth proportional to 107,209,261.44, 160,831,829.21 and 84,179,266.92 is: 126,282,984.31
Step by Step Solution
- Step 1: Write the proportion equation
107,209,261.44 : 160,831,829.21 = 84,179,266.92 : x - Step 2: Convert to fraction form
107,209,261.44/160,831,829.21 = 84,179,266.92/x - Step 3: Cross multiply
107,209,261.44x = 160,831,829.21 × 84,179,266.92 - Step 4: Simplify right side
107,209,261.44x = 13,538,705,479,879,548 - Step 5: Solve for x
x = 13,538,705,479,879,548/107,209,261.44 - Step 6: Final answer
x = 126,282,984.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.