Finding the Fourth Proportional to 73,811,313.10, 110,716,969.65 and 69,865,363.68
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Solution
The fourth proportional to 73,811,313.10, 110,716,969.65 and 69,865,363.68 is: 104,798,045.52
Step by Step Solution
- Step 1: Write the proportion equation
73,811,313.10 : 110,716,969.65 = 69,865,363.68 : x - Step 2: Convert to fraction form
73,811,313.10/110,716,969.65 = 69,865,363.68/x - Step 3: Cross multiply
73,811,313.10x = 110,716,969.65 × 69,865,363.68 - Step 4: Simplify right side
73,811,313.10x = 7,735,281,350,144,774 - Step 5: Solve for x
x = 7,735,281,350,144,774/73,811,313.10 - Step 6: Final answer
x = 104,798,045.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.