Finding the Fourth Proportional to 75,742,472.36, 113,449,293.99 and 46,507,570.80
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Solution
The fourth proportional to 75,742,472.36, 113,449,293.99 and 46,507,570.80 is: 69,660,402.00
Step by Step Solution
- Step 1: Write the proportion equation
75,742,472.36 : 113,449,293.99 = 46,507,570.80 : x - Step 2: Convert to fraction form
75,742,472.36/113,449,293.99 = 46,507,570.80/x - Step 3: Cross multiply
75,742,472.36x = 113,449,293.99 × 46,507,570.80 - Step 4: Simplify right side
75,742,472.36x = 5,276,251,072,449,939 - Step 5: Solve for x
x = 5,276,251,072,449,939/75,742,472.36 - Step 6: Final answer
x = 69,660,402.00
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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.