Finding the Fourth Proportional to 108,869,912.10, 163,304,868.15 and 40,698,497.70
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Solution
The fourth proportional to 108,869,912.10, 163,304,868.15 and 40,698,497.70 is: 61,047,746.55
Step by Step Solution
- Step 1: Write the proportion equation
108,869,912.10 : 163,304,868.15 = 40,698,497.70 : x - Step 2: Convert to fraction form
108,869,912.10/163,304,868.15 = 40,698,497.70/x - Step 3: Cross multiply
108,869,912.10x = 163,304,868.15 × 40,698,497.70 - Step 4: Simplify right side
108,869,912.10x = 6,646,262,800,801,579 - Step 5: Solve for x
x = 6,646,262,800,801,579/108,869,912.10 - Step 6: Final answer
x = 61,047,746.55
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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.