Finding the Fourth Proportional to 60,721,176.21, 91,081,692.93 and 19,780,548.36
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Solution
The fourth proportional to 60,721,176.21, 91,081,692.93 and 19,780,548.36 is: 29,670,799.29
Step by Step Solution
- Step 1: Write the proportion equation
60,721,176.21 : 91,081,692.93 = 19,780,548.36 : x - Step 2: Convert to fraction form
60,721,176.21/91,081,692.93 = 19,780,548.36/x - Step 3: Cross multiply
60,721,176.21x = 91,081,692.93 × 19,780,548.36 - Step 4: Simplify right side
60,721,176.21x = 1,801,645,831,712,535.25 - Step 5: Solve for x
x = 1,801,645,831,712,535.25/60,721,176.21 - Step 6: Final answer
x = 29,670,799.29
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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.