Finding the Fourth Proportional to 147,869,240.97, 221,912,841.56 and 70,146,388.65
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Solution
The fourth proportional to 147,869,240.97, 221,912,841.56 and 70,146,388.65 is: 105,271,281.09
Step by Step Solution
- Step 1: Write the proportion equation
147,869,240.97 : 221,912,841.56 = 70,146,388.65 : x - Step 2: Convert to fraction form
147,869,240.97/221,912,841.56 = 70,146,388.65/x - Step 3: Cross multiply
147,869,240.97x = 221,912,841.56 × 70,146,388.65 - Step 4: Simplify right side
147,869,240.97x = 15,566,384,430,595,658 - Step 5: Solve for x
x = 15,566,384,430,595,658/147,869,240.97 - Step 6: Final answer
x = 105,271,281.09
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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.