Finding the Fourth Proportional to 91,264,811.09, 136,801,557.20 and 33,720,379.61
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Solution
The fourth proportional to 91,264,811.09, 136,801,557.20 and 33,720,379.61 is: 50,545,225.31
Step by Step Solution
- Step 1: Write the proportion equation
91,264,811.09 : 136,801,557.20 = 33,720,379.61 : x - Step 2: Convert to fraction form
91,264,811.09/136,801,557.20 = 33,720,379.61/x - Step 3: Cross multiply
91,264,811.09x = 136,801,557.20 × 33,720,379.61 - Step 4: Simplify right side
91,264,811.09x = 4,613,000,439,423,421 - Step 5: Solve for x
x = 4,613,000,439,423,421/91,264,811.09 - Step 6: Final answer
x = 50,545,225.31
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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.