Finding the Fourth Proportional to 77,525,527.15, 106,980,406.99 and 42,716,269.63
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Solution
The fourth proportional to 77,525,527.15, 106,980,406.99 and 42,716,269.63 is: 58,945,796.02
Step by Step Solution
- Step 1: Write the proportion equation
77,525,527.15 : 106,980,406.99 = 42,716,269.63 : x - Step 2: Convert to fraction form
77,525,527.15/106,980,406.99 = 42,716,269.63/x - Step 3: Cross multiply
77,525,527.15x = 106,980,406.99 × 42,716,269.63 - Step 4: Simplify right side
77,525,527.15x = 4,569,803,910,111,977 - Step 5: Solve for x
x = 4,569,803,910,111,977/77,525,527.15 - Step 6: Final answer
x = 58,945,796.02
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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.