Finding the Fourth Proportional to 73,767,539.82, 101,704,578.42 and 60,487,789.08
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Solution
The fourth proportional to 73,767,539.82, 101,704,578.42 and 60,487,789.08 is: 83,395,557.22
Step by Step Solution
- Step 1: Write the proportion equation
73,767,539.82 : 101,704,578.42 = 60,487,789.08 : x - Step 2: Convert to fraction form
73,767,539.82/101,704,578.42 = 60,487,789.08/x - Step 3: Cross multiply
73,767,539.82x = 101,704,578.42 × 60,487,789.08 - Step 4: Simplify right side
73,767,539.82x = 6,151,885,087,939,280 - Step 5: Solve for x
x = 6,151,885,087,939,280/73,767,539.82 - Step 6: Final answer
x = 83,395,557.22
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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.