Finding the Fourth Proportional to 91,172,302.23, 125,817,815.99 and 49,356,366.53
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Solution
The fourth proportional to 91,172,302.23, 125,817,815.99 and 49,356,366.53 is: 68,111,806.87
Step by Step Solution
- Step 1: Write the proportion equation
91,172,302.23 : 125,817,815.99 = 49,356,366.53 : x - Step 2: Convert to fraction form
91,172,302.23/125,817,815.99 = 49,356,366.53/x - Step 3: Cross multiply
91,172,302.23x = 125,817,815.99 × 49,356,366.53 - Step 4: Simplify right side
91,172,302.23x = 6,209,910,241,826,401 - Step 5: Solve for x
x = 6,209,910,241,826,401/91,172,302.23 - Step 6: Final answer
x = 68,111,806.87
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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.