Finding the Fourth Proportional to 73,742,120.99, 101,748,934.81 and 42,374,109.23
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Solution
The fourth proportional to 73,742,120.99, 101,748,934.81 and 42,374,109.23 is: 58,467,540.94
Step by Step Solution
- Step 1: Write the proportion equation
73,742,120.99 : 101,748,934.81 = 42,374,109.23 : x - Step 2: Convert to fraction form
73,742,120.99/101,748,934.81 = 42,374,109.23/x - Step 3: Cross multiply
73,742,120.99x = 101,748,934.81 × 42,374,109.23 - Step 4: Simplify right side
73,742,120.99x = 4,311,520,477,675,089 - Step 5: Solve for x
x = 4,311,520,477,675,089/73,742,120.99 - Step 6: Final answer
x = 58,467,540.94
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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.