Finding the Fourth Proportional to 73,742,119.24, 101,748,932.40 and 42,374,107.48
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Solution
The fourth proportional to 73,742,119.24, 101,748,932.40 and 42,374,107.48 is: 58,467,538.52
Step by Step Solution
- Step 1: Write the proportion equation
73,742,119.24 : 101,748,932.40 = 42,374,107.48 : x - Step 2: Convert to fraction form
73,742,119.24/101,748,932.40 = 42,374,107.48/x - Step 3: Cross multiply
73,742,119.24x = 101,748,932.40 × 42,374,107.48 - Step 4: Simplify right side
73,742,119.24x = 4,311,520,197,492,854.50 - Step 5: Solve for x
x = 4,311,520,197,492,854.50/73,742,119.24 - Step 6: Final answer
x = 58,467,538.52
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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.