Finding the Fourth Proportional to 81,176,084.36, 121,751,823.58 and 22,093,068.87
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Solution
The fourth proportional to 81,176,084.36, 121,751,823.58 and 22,093,068.87 is: 33,136,254.90
Step by Step Solution
- Step 1: Write the proportion equation
81,176,084.36 : 121,751,823.58 = 22,093,068.87 : x - Step 2: Convert to fraction form
81,176,084.36/121,751,823.58 = 22,093,068.87/x - Step 3: Cross multiply
81,176,084.36x = 121,751,823.58 × 22,093,068.87 - Step 4: Simplify right side
81,176,084.36x = 2,689,871,423,401,030 - Step 5: Solve for x
x = 2,689,871,423,401,030/81,176,084.36 - Step 6: Final answer
x = 33,136,254.90
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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.