Finding the Fourth Proportional to 81,176,084.24, 121,751,823.40 and 22,093,068.75
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Solution
The fourth proportional to 81,176,084.24, 121,751,823.40 and 22,093,068.75 is: 33,136,254.71
Step by Step Solution
- Step 1: Write the proportion equation
81,176,084.24 : 121,751,823.40 = 22,093,068.75 : x - Step 2: Convert to fraction form
81,176,084.24/121,751,823.40 = 22,093,068.75/x - Step 3: Cross multiply
81,176,084.24x = 121,751,823.40 × 22,093,068.75 - Step 4: Simplify right side
81,176,084.24x = 2,689,871,404,094,834.50 - Step 5: Solve for x
x = 2,689,871,404,094,834.50/81,176,084.24 - Step 6: Final answer
x = 33,136,254.71
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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.