Finding the Fourth Proportional to 147,611,863.20, 221,417,794.80 and 65,730,583.20
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Solution
The fourth proportional to 147,611,863.20, 221,417,794.80 and 65,730,583.20 is: 98,595,874.80
Step by Step Solution
- Step 1: Write the proportion equation
147,611,863.20 : 221,417,794.80 = 65,730,583.20 : x - Step 2: Convert to fraction form
147,611,863.20/221,417,794.80 = 65,730,583.20/x - Step 3: Cross multiply
147,611,863.20x = 221,417,794.80 × 65,730,583.20 - Step 4: Simplify right side
147,611,863.20x = 14,553,920,783,061,928 - Step 5: Solve for x
x = 14,553,920,783,061,928/147,611,863.20 - Step 6: Final answer
x = 98,595,874.80
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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.