Finding the Fourth Proportional to 91,389,643.19, 126,087,037.66 and 52,203,677.03
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Solution
The fourth proportional to 91,389,643.19, 126,087,037.66 and 52,203,677.03 is: 72,023,554.99
Step by Step Solution
- Step 1: Write the proportion equation
91,389,643.19 : 126,087,037.66 = 52,203,677.03 : x - Step 2: Convert to fraction form
91,389,643.19/126,087,037.66 = 52,203,677.03/x - Step 3: Cross multiply
91,389,643.19x = 126,087,037.66 × 52,203,677.03 - Step 4: Simplify right side
91,389,643.19x = 6,582,206,991,672,087 - Step 5: Solve for x
x = 6,582,206,991,672,087/91,389,643.19 - Step 6: Final answer
x = 72,023,554.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.